Omega CK 2622

The Omega CK 2622 represents a fascinating and often-overlooked chapter in Omega’s horological evolution, representing the transitional period between the company’s pre-war technical innovations and the post-war introduction of the acclaimed Seamaster collection. Produced during an extremely limited window from 1949 to 1950, the 2622 embodies a distinctly military-influenced aesthetic married to robust mechanical engineering derived from Omega’s documented military contract work. At 35mm with a screw-back stainless steel case, subsidiary seconds dial, manual-wind Caliber 265 movement, and characteristically drilled lugs, the 2622 stands as a bridge between Omega’s utilitarian military heritage and the refined consumer dress watches that followed. Its rarity—born of its brief production window—combined with historical significance and mechanical integrity, makes the CK 2622 increasingly sought after by collectors of early post-war timepieces and those interested in Omega’s formative era.​​

Reference Overview and Historical Context

Official Designation: CK 2622 (stainless steel)​

Production Timeline: Approximately 1949–1950 (extremely limited window)​

Movement Family: Caliber 265 (derived from 30T2 family used in military contracts)​

Historical Significance: Pre-Seamaster reference; bridges military heritage and consumer product lines​​

In 1948, Omega introduced its celebrated Seamaster collection to commemorate the company’s centennial. The Seamaster line featured automatic bumper movements (Cal. 342/344 for the 2576 and Cal. 351/354 for the 2577) and represented a bold technological step forward. However, the CK 2622, produced in 1949–1950, occupied a curious adjacent position: a manual-wind watch employing movement technology closely related to Omega’s successful military supply contracts (particularly the movement family used in the WWW “Dirty Dozen” watches). Rather than market the 2622 as a Seamaster, Omega positioned it as a more utilitarian, military-style alternative—a robust, simple, reliable watch for those who valued straightforward engineering over cutting-edge innovation.​​

The 2622’s production run was remarkably brief, likely lasting only a year or so. This scarcity, combined with the watch’s unassuming appearance and the prevalence of automatic watches after 1950, resulted in the 2622 being largely overlooked by collectors for decades. Today, it is increasingly recognized as a historically significant reference deserving serious consideration.​​

Vintage Omega Handwinding Ref 2622 | Vintage Portfolio 

Physical Specifications

Omega CK 2622 Key Specifications 

Dimensional Context

The Omega CK 2622 presents a commanding yet practical 35mm diameter—notably larger than typical 33–34mm dress watches of the era, yet not oversized by modern standards. The screw-back construction with metal flat gasket represents a technical improvement over the friction-fit snap-on casebacks of earlier models, providing superior water sealing and durability. The 11mm case thickness demonstrates impressive slimness for a manual-wind mechanical movement, achieved through meticulous engineering of the Caliber 265.​​

The lug width of 18mm accommodates readily available modern straps, and the drilled lug design—visible as small holes on the lug sides—is authentic to the 1949–1950 production period and serves as a critical authentication marker. Lug-to-lug measurements of approximately 42mm ensure comfortable wear across varied wrist sizes despite the generous case diameter.​​

Movement Specifications

Caliber 265 (30T2 Family)​​

The Caliber 265 is a manual-wind mechanical movement—meaning the wearer winds the crown to power the watch, with no automatic rotor. The 265 features 15 jewels, beats at 18,000 vibrations per hour (2.5 Hz), and delivers approximately 42 hours of power reserve when fully wound. Critically, the 265 is a derivative of the 30T2 movement family, which was famously employed in the Omega WWW (Weems, Whiteley, Waltham) “Dirty Dozen” military watches supplied during World War II.​​

This movement family heritage distinguishes the 2622 historically. While the 2622 itself lacks documented military contract status, the employment of this proven movement design reflects Omega’s confidence in the 30T2 family’s robustness and reliability. The movement features a hacking seconds mechanism (the seconds hand stops when the crown is pulled), assisting precision in time setting—a refinement appreciated by military and technical users.​

The small-seconds configuration—with the subsidiary dial at 6 o’clock—is a fundamental aspect of the 265’s design. Unlike the later bumper automatics (Cal. 342/344) which offered both center-seconds and sub-seconds variants, the 265 is exclusively sub-seconds.

Vintage Omega Sub-seconds with Arabic numerals dial in  

Case Materials and Construction

Stainless Steel (CK 2622)​​

The CK 2622 was produced exclusively in stainless steel—no gold or gold-capped versions have been documented. The “CK” designation in Omega’s nomenclature system indicates stainless steel construction. Omega employed robust Staybrite stainless steel or equivalent high-grade alloys, finished with a brushed exterior that has developed attractive patina over 75 years of existence.​

The screw-in caseback with metal flat gasket represents a significant technical advancement over the problematic friction-fit snap-on designs of earlier references (like the 2374). The metal gasket provides a reliable water seal and, critically, demonstrates ease of opening for movement access and service—an important consideration for military-influenced design philosophy emphasizing maintainability.​

Case Design and Construction Features

Drilled Lugs: A Critical Authentication Marker​

Perhaps the most distinctive feature of the CK 2622 is the presence of drilled lug holes—small apertures on the lug sides through which spring bars pass. This design was common in 1940s–early 1950s Omega production but gradually phased out as seamless lug construction became standard. The drilled lug design serves a practical function: it allows easier spring bar removal and strap changes without requiring specialized tools, aligning with the utilitarian military philosophy underlying the 2622.​

The presence of drilled lugs on an unpolished original 2622 is absolutely critical for authentication. If the lugs are smooth without visible holes, the case has either been replated (destroying the original surface) or is a different reference entirely. Collectors specifically value unpolished examples where the drilled holes remain sharp and pristine, as this confirms both originality and careful preservation.​

Fixed Bezel and Simple Casework

The 2622 features a fixed bezel machined integral to the case middle—non-removable, simple in design, and reflective of the military-influenced aesthetic. There is no attempt at decorative bezel design or ornamentation. The overall case construction is straightforward and utilitarian, prioritizing function over embellishment.​​

Caseback Design

The screw-in caseback features an interior metal flat gasket that seats against a machined ledge in the case. Inside, the caseback typically displays:

• “CK 2622-1” or “CK 2622-2” (reference designation)
• Case material code (CK for stainless steel)
• Case serial number
• Sometimes movement serial number

The exterior caseback surface is generally plain, with no “Seamaster” branding or external markings—a key distinction from later Seamaster models that prominently featured “SEAMASTER” text.​

1950 Omega Mechanical 2622-2 – Watches of Lancashire 

Dial Variations and Aesthetic Characteristics

Despite the 2622’s short production run, documented dial variations exist, reflecting Omega’s standard practice of offering customization options:

Hour Marker Configurations​​

• All Arabic Numerals: Painted or applied numerals at all 12 positions (most documented variant)
• Applied Triangular Indices: Metal markers with radium lume, sometimes with Arabic numerals at cardinal positions
• Large Lume Dots: Early production examples reportedly feature oversized luminous material applied to indices
• Minimal Branding: Dial typically shows only “OMEGA” signature, no Seamaster text

Dial Colors​​

• Silver/White: Most common; often aged to cream or champagne tones
• Black: Documented on some examples; considerably rarer
• Patina Effects: Natural aging creates appealing cream, gold, or warm brown tones on many surviving examples

Subsidiary Seconds Dial​​

The small dial at 6 o’clock features a simple circular design with a single hand for seconds indication. Early examples may lack overt markings in the subdial, relying simply on the hand position for seconds reading. The subdial represents a classical approach to seconds indication, often preferred by traditionalists over center-seconds layouts.

Finish and Texture​​

Most documented examples feature smooth, polished dial finishes. Some honeycomb/waffle guilloché texture variants may exist but are less common than smooth dials. The simple dial aesthetic aligns with the utilitarian design philosophy.

1950 Omega black dial, 35mm, ref: 2622. *SERVICED” – WOFS  

Hands and Luminous Material

Hand Styles​​

The 2622 is typically equipped with syringe-style hands—elongated, narrow hands with minimal width, characteristic of 1940s–1950s military-influenced design. Syringe hands are directly descended from chronograph hand designs and impart a distinctly utilitarian appearance. The hands are steel-colored (rhodium-plated or similar) on all documented examples, as the watch is exclusively stainless steel.

The hour and minute hands taper gracefully to fine points, while the seconds hand in the subdial is a slim, simple design—often entirely plain (no lume) or with minimal lume application.

Radium Lume and Aging​​

All original CK 2622 examples contain radium-based luminous material applied to:

• Index markers (radium fills grooves in applied batons or sits beneath applied numerals)
• Hour and minute hand grooves
• Subdial seconds hand (though often polished)

Natural Aging Patterns:

• Radium darkens over 75 years to cream, tan, brown, grey, or yellowish tones depending on storage conditions and UV exposure
• Hand lume (applied by separate department/process) often ages differently in color from dial lume—entirely normal and desirable as evidence of authenticity
• Specimens with striking patina variation—one hand brown while another remains tan—are prized as evidence of authentic, unmolested radium aging

Red Flag – Uniform Bright Lume: If all lume across hands and indices displays identical bright color, modern tritium or superluminova relume is indicated, not original radium aging.​​

Crown and Water Sealing

Signed Omega Crown​​

The 2622 features a signed Omega push-in crown—a simple, small crown design that seals via gasket pressure against the case. The crown is not screw-down; it is pushed/pulled into the crown tube for water resistance. This design is typical of 1940s–1950s Omega dress watches and differs markedly from the later clover/Naiad crown (which appeared on Seamaster models) and even more from modern screw-down crowns with helium escape valves.​​

Authentication: Any CK 2622 equipped with a clover/Naiad crown or a screw-down crown represents a post-factory modification. While replacement crowns may function, they indicate deviation from original specification.

Movement and Mechanism Characteristics

Manual Wind Operation​​

The defining mechanical characteristic of the 2622 is its manual-wind-only operation. There is no automatic rotor. The wearer winds the crown to store energy in the mainspring, which powers the movement. This absence of an automatic mechanism is fundamental to authentication—any 2622 presenting a bumper or full-rotor automatic movement has been subjected to case swap or serious service alteration.​​

Small Seconds Design​​

The movement features a dedicated small-seconds train, with the seconds hand oscillating on its own subdial at 6 o’clock. This design is mechanically distinct from center-seconds configurations and reflects the classical horological approach preferred for dress watches of the era.

Hacking Seconds​​

When the crown is pulled out for time-setting, the seconds hand comes to a complete halt—the “hacking” feature—allowing precise time-setting without waiting for the seconds to align. This feature was appreciated on military watches and emphasizes the 2622’s heritage in military-influenced design.

Visual Aspects and Wrist Presence

The Omega CK 2622 presents a distinctly utilitarian yet refined aesthetic:

• Commanding Case Presence: At 35mm, the watch dominates the wrist more prominently than contemporary 33–34mm dress watches, imparting confidence and presence
• Slim Elegance: Despite the large diameter, the 11mm thickness maintains refinement and comfort for dress wear
• Military Aesthetic: Drilled lugs, absence of decorative elements, simple dial, and syringe hands all evoke military heritage
• Patina Charm: Aged radium lume, cream-colored dial, brushed steel casework develop individual character over decades
• Simple, Clean Dial: Minimal branding, straightforward hour markers, and unadorned subdial create visual clarity
• Dial Hierarchy: The subsidiary seconds dial at 6 o’clock creates visual interest and establishes focal point

The overall wrist presence is commanding, historically conscious, and distinctly different from the more refined aesthetic of contemporary automatic Seamasters (2576, 2577). The 2622 reads as a tool watch dressed for formal occasions—a watch designed by engineers for reliability rather than by designers for status.

Historical Context and Relation to Seamaster Collection

The CK 2622 occupies a crucial but often-overlooked position in Omega’s post-war transition:​

• Pre-Seamaster Branding: While produced in 1949–1950, contemporary with early Seamaster references, the 2622 lacks “Seamaster” branding—it simply reads “OMEGA”
• Military Heritage: The movement family (30T2 variants) was proven in Omega’s documented WWW Dirty Dozen military contract work
• Manual Wind Philosophy: Unlike the automatic Seamasters, the 2622 reflects a more conservative engineering approach favoring simplicity and ease of service
• Transitional Design: The 2622 bridges Omega’s pre-war technical heritage and post-war consumer product innovation

The 2622 demonstrates that Omega valued providing multiple solutions to different market segments—not everyone wanted or could afford an automatic watch. The 2622 served those who preferred familiar manual-wind operation, military heritage, and straightforward reliability.

Scarcity and Collector Interest

The CK 2622 benefits from several factors that enhance collector appeal:

Extreme Production Scarcity​

The production window of approximately one year (1949–1950) makes the 2622 considerably scarcer than contemporary Seamaster references, which enjoyed production runs of 5–7 years. This scarcity, while challenging for acquisition, enhances historical significance and long-term value appreciation.

Historical Transitional Status​​

As a bridge between Omega’s military heritage and the modern Seamaster era, the 2622 appeals to collectors interested in horological history and the company’s evolution. It tells the story of Omega’s decision to embrace automatic movements (leading to the Seamaster collection) while still producing robust manual-wind alternatives for conservative buyers.

Movement Heritage​​

The Caliber 265 (30T2 family) connection to official military watches adds historical depth. While the 2622 itself was not a military contract watch, its movement DNA connects it to documented wartime service timepieces.

Mechanical Engagement​​

Collectors who prefer manual-wind movements over automatics find the 2622 appealing. The regular rhythmic winding ritual creates a connection between owner and watch that automatic mechanisms cannot replicate.

Authentication and Identification Guide

Omega CK 2622 Authentication Guide: Original Markers and Red Flags 

Critical Authenticity Checkpoints​​

1. Drilled Lugs Present: The absolute most critical authentication marker. Original unpolished CK 2622s feature visible holes on lug sides where spring bars pass. Absence of drilled holes indicates either case replacement or a different reference entirely.
2. Manual Wind Mechanism: The movement must be manual wind only. If a bumper automatic rotor is visible (side-to-side oscillation), the watch is not a 2622 or has undergone case swap.
3. Screw-In Caseback: The caseback must be threaded (screw-in), not friction-fit snap-on. A snap-on back indicates a different reference (likely 2374 or similar) or service non-originality.
4. Metal Flat Gasket Visible: When the caseback is opened, a metal flat gasket seal should be visible. Its presence indicates original, unpolished construction.
5. Sub-Seconds Dial at 6: The seconds hand must operate on a small dial at 6 o’clock. A center-seconds hand running across the dial indicates a different reference (like 2577).
6. “OMEGA” Only on Dial: The dial should simply read “OMEGA” without “Seamaster” branding. “Seamaster” text indicates a later, different reference.
7. Signed Omega Crown: The crown must bear Omega signature and feature push-in (not screw-down) design. A clover/Naiad crown indicates replacement.
8. Cal. 265 or 30T2 Movement: The movement should bear designation confirming Caliber 265 or similar 30T2 family. Full rotor automatics indicate case swap.
9. Radium Lume Patina Variation: Original watches exhibit different lume colors between hands and dial indices. Uniform bright lume suggests modern relume.
10. Serial Number Correspondence: Movement serial in 11M–12M range indicates 1949–1950 production, aligning with known 2622 production window.

Common Red Flags​​

• Smooth lug sides without visible drilled holes (indicates replating or wrong reference)
• Snap-on caseback (wrong design for 2622)
• “Seamaster” text on dial (wrong reference)
• Bumper automatic movement visible (wrong movement type)
• Clover/Naiad crown (non-original replacement)
• Center-seconds hand (wrong watch—likely 2577 or similar)
• Entirely blank caseback interior (suggests replacement)
• Uniform bright lume throughout (indicates modern relume)
• Completely polished case with no visible drilled holes (over-refined; destroys authenticity)

Pricing and Market Context

The Omega CK 2622 occupies an interesting price position in the vintage watch market, reflecting its scarcity and historical significance relative to more common Seamaster references:

Value Drivers:

• Unpolished original case with visible drilled lug holes (critical)
• Factory-original dial with authentic radium patina
• Signed caseback interior with clear “CK 2622” designation
• Matching movement and case serials
• Rare dial variants (particularly black dials)
• Movement condition and recent service history
• Complete original boxes and papers (extremely rare; can double value)

Servicing and Preservation

Movement Servicing​​

The Caliber 265 is a straightforward manual-wind movement that continues to function reliably in properly serviced examples. Professional watchmakers trained in pre-1960 manual-wind mechanics can service the 265 competently. Full professional service typically costs $300–$600 in 2024. The movement’s simplicity and proven military heritage make it less temperamental than more complex automatics.

Radium Handling

Original radium lume poses negligible health risk in sealed cases. Alpha radiation is blocked by the acrylic crystal; gamma radiation decays substantially over distance; radon buildup is minimal in a single watch in normal ventilation. However, if caseback removal is necessary for service, handling should be minimized. Many specialized watchmakers prefer to leave sealed cases undisturbed during movement service.

Case Preservation

Unpolished original cases with visible drilled lug holes and sharp edges are increasingly valued by collectors. Aggressive polishing removes material, effaces the drilled holes visually, and destroys the authentication markers. Conservative restoration preserving sharp lug edges, visible drilled holes, and original surface character is preferable to complete refinishing.

Crystal and Crown Consideration

Replacement with period-correct acrylic plexiglass (rather than sapphire) maintains authenticity. Original crowns are increasingly valued; replacement crowns are functional but indicate modification.

Related References and Broader Context

Understanding the CK 2622 requires familiarity with related Omega references from the 1948–1955 period:​​

Reference 2576 (Seamaster Sub-Seconds, Automatic)​

Produced 1948–1955, the 2576 is mechanically and dimensionally similar to the 2622 but features a bumper automatic movement (Cal. 342/344) rather than manual wind. The 2576 also carries “Seamaster” branding. The 2576 achieved substantially larger production and remains more commonly encountered and accessible than the 2622.

Reference 2577 (Seamaster Center-Seconds, Automatic)​

The most common early Seamaster variant, featuring a center-seconds hand and automatic movement. The 2577 achieved enormous production volume and remains the most accessible early Seamaster for collectors.

Reference 2627 (Seamaster Calendar)​

Introduced in 1952, the 2627 was the first Omega featuring a date window (several years after Rolex’s 1945 Datejust). The 2627 employed automatic movement and positioned itself as a more sophisticated, premium variant.

WWW “Dirty Dozen” Military Watches​​

Omega produced documented military contract watches using the 30T2 movement family (of which the 2622’s Cal. 265 is a derivative). This military heritage, while not directly applicable to the 2622, contextualizes the movement’s proven reliability and robustness.

Acquisition and Market Sources

Finding an authentic Omega CK 2622 requires patience and diligent research:

• Specialized Vintage Dealers: Retailers focused on early Omega or pre-Seamaster watches occasionally stock examples
• Online Marketplaces: https://www.chrono24.com/ (referenced as major marketplace) hosts occasional 2622 listings; authenticity verification is essential
• Auction Houses: Vintage watch auctions may feature examples, sometimes with provenance documentation
• Collector Forums: Omega Watch Forums (https://omegaforums.net/) hosts marketplace sections, reference materials, and expert discussion
• Direct Collector Sales: Established vintage watch collectors sometimes offer pieces privately, often with detailed knowledge

Conclusion

The Omega CK 2622 represents a historically significant and increasingly appreciated watch that deserves recognition as a watershed moment in Omega’s post-war development. While overshadowed by the success of the concurrent Seamaster collection, the 2622 embodied a distinct philosophy: robust, reliable, straightforward mechanical excellence derived from proven military heritage. At 35mm with a screw-back stainless steel case, subsidiary seconds dial, manual-wind Caliber 265 movement, and characteristically drilled lugs, the 2622 served those who valued simplicity over innovation, tradition over modernity.

The 2622’s extremely limited production window—approximately 1949 to 1950—ensures relative scarcity compared to later Seamaster references. This scarcity, combined with growing collector interest in manual-wind vintage watches and pre-Seamaster Omega history, positions the 2622 as an increasingly desirable reference for discerning collectors.

Authentication requires careful attention to drilled lugs, screw-in caseback with metal gasket, manual-wind mechanism, and absence of Seamaster branding. Collectors should seek examples with original unpolished cases where the drilled lug holes remain sharp and pristine, preserving the watch’s authentic character. An authentic, well-preserved Omega CK 2622 with original dial and movement serves as both a mechanically engaging timepiece and a tangible connection to Omega’s formative post-war era—a bridge between military heritage and the refined consumer watches that would define the company’s subsequent decades.