1 in stock

Omega Seamaster 2635-9 SC Automatic Bumper Cal. 354

$1,200.00

The Seamaster began as a civilian watch shaped by wartime experience. This early example pairs that history with a spring-buffered bumper automatic.

1 in stock

1 in stock

General

Model LineSeamaster
Brand
reference2635-9 SC
DepartmentMen
Dial ColorEggshell
ManufacturedSwitzerland

Case

Case Width33mm
Case Height41mm
Case ShapeRound
BezelSmooth
Case MaterialStainless Steel

Strap / Bracelet

Lug Width18mm
ClaspOTTUHR Buckle
Max Wrist Size8″
Strap ColorBrown
Strap MaterialBabele

Movement

CaliberOmega 354
MovementAutomatic
Accuracy< 10 secondsThe movement showed a daily accuracy deviation ranging from 0 to 10 seconds across six positions.

Extras

Warranty2-Year Ottuhr WarrantyOur standard two-year mechanical warranty which covers the mechanical functions and accuracy of the timepiece.
Original BoxNo
Original PapersNo

Overview

Omega introduced the Seamaster in 1948, bringing its wartime watchmaking experience into a new civilian collection. This Omega Seamaster bumper, reference 2635-9 SC, belongs to the early years of that idea. Its eggshell dial, applied numerals and compact steel case put the familiar name in a different setting from the dive watches it might call to mind. We find that earlier identity worth revisiting: practical watchmaking presented without the visual vocabulary of specialized diving equipment.

The launch coincided with Omega’s centenary, but the Seamaster was not simply an anniversary ornament. The company drew on the construction knowledge gained from supplying military watches and applied it to civilian models. Reference 2635 appears in Omega’s historical collection records for 1949 to 1954, placing the family close to that beginning. The 2635 therefore takes us into a period when the Seamaster name was still a new addition to an Omega dial. We are interested in what changed around that practical foundation: applied gold-tone numerals, pointed hands and a pale dial, with little outward suggestion of the line’s military-derived beginnings.

Here, that movement is caliber 354, a bumper automatic. Its winding weight travels through a limited arc between spring buffers instead of rotating freely through a full circle. We like the literalness of the name: spring stops and a reversing weight behind an otherwise composed face. The dial has only the word Automatic to announce it. That small piece of lettering takes on more interest when connected to the specific winding system underneath, rather than treated as another line of print.

The dial is an equally persuasive link to those early civilian Seamasters. Applied Arabic numerals at twelve, three, six and nine alternate with tapered gold-tone markers, giving the eggshell surface a rhythm that a full set of numerals would change entirely. Our eye goes to the fine inner minute circle. It gathers the hands and central seconds into a smaller, precise frame while leaving the applied furniture room around the edge. The Seamaster script sits below the center, with no date window interrupting the arrangement.

This example measures 33mm across and 41mm from lug to lug. A smooth bezel, domed crystal and tapered, drilled lugs define the stainless steel case; an Omega-signed crown sits at three. Dauphine hands carry darker age tones against the pale dial, where small scattered speckles add texture. The plain screw-back keeps the reverse restrained. A brown Babele strap, with its textured surface and stitching, provides a matte counterpoint to the steel and picks up the warmth of the dial details.

The attraction of this Omega Seamaster bumper lies in that combination, not in any single flourish. At 33mm, with a pale face and a spring-buffered winding weight, it gives the Seamaster name a scale and a mechanical personality distinctly its own.

Timing: The watch has been measured with a timegrapher at six different positions. The rate, amplitude, and beat error are within acceptable ranges.

Functions: All functions including the crown winding, time setting, etc are working as expected.

‍Integrity: The movement shows no signs of damage, rust, or corrosion, with all components appearing clean and well-maintained.

Authenticity: Each timepiece is evaluated and authenticated in-house. This watch is guaranteed to be correct to its manufacturer and time period.

Warranty: This timepiece includes a 2-year mechanical warranty, activated upon the date of purchase. Warranty Policy

Shipping: This timepeice includes complimentary insured shipping within all 50 states, and options for expedited shipping. Shipping Information

Returns: If, for any reason, you are not entirely satisfied with your purchase, you may return the product for a full refund within 30 days from the date you received or signed for the item. Read our Return Policy

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