1 in stock

Zenith Caltrava Jumbo Stainless Steel Case Arabic Numerals & Subseconds

An exceptionally rare “Jumbo” vintage Zenith Calatrava-style dress watch, dating to approximately 1953-1954. It features a massive-for-the-era 38mm stainless steel case with faceted lugs and a snap-on caseback. The dial displays a heavy, uniform “freckled” patina that has transformed the original silver finish into a textured landscape of gold and green hues, accented by applied gold Arabic numerals and dauphine hands. Inside beats the robust Zenith Caliber 126 manual-wind movement, featuring factory Incabloc shock protection.

1 in stock

1 in stock

General

Brand

Manufactured

Switzerland

Department

Men

Dial Color

Cream

Case

Case Shape

Round

Bezel

Smooth

Case Material

Stainless Steel

Case Width

38mm

Case Height

44mm

Strap / Bracelet

Lug Width

20mm

Strap Material

Buttero Leather

Strap Color

Tan

Clasp

Buckle

Max Wrist Size

8.5"

Movement

Movement

Manual Wind

Caliber

Zenith 126

Accuracy

>5 seconds

The movement showed a daily accuracy deviation ranging from 0 to 5 seconds across six positions.

Extras

Warranty Every watch sold by Ottuhr comes with a 1-year mechanical warranty. Select pieces may also include additional guarantees or extended coverage.

1-Year Ottuhr Warranty

Original Box

No

Original Papers

No

Overview

In the world of vintage dress watches, size is often the dividing line between a beautiful curiosity and a daily wearer. Throughout the 1940s and 50s, the industry standard for men’s watches hovered between 33mm and 35mm. To find a time-only piece from this golden era that measures a full 38mm, without being a chronograph or a dive watch, is a true anomaly. These “Jumbo” references are the unicorns of the mid-century market, offering the elegant, sterile design language of the post-war years but with a wrist presence that feels entirely modern.

This specific example is powered by the Zenith Caliber 126-6. The “126” family was Zenith’s workhorse manual-wind movement of the post-war period, renowned for its reliability and finishing. The “-6” designation is crucial here; it indicates the inclusion of Incabloc shock protection on the balance wheel, a technological upgrade that made these fine Swiss instruments significantly more durable for daily use than their predecessors. It represents Zenith at the height of its manufacturing prowess, before the quartz crisis forced compromises in production.

The visual impact of this watch is dominated by two things: its imposing geometry and its radical patina. The 38mm stainless steel case features long, faceted lugs that give it an architectural quality, sitting flat and wide on the wrist. But the dial is the true conversation starter. Originally a silvered “two-tone” layout, the varnish has aged into a spectacular, uniform “stippled” or “freckled” pattern. This aging process (often caused by the interaction between radium, humidity, and the lacquer) has created a texture that looks almost organic, like eggshell or granite, ranging in tone from warm cream to earthy green. It is a stunning backdrop for the applied gold Arabic numerals and the sharp dauphine handset.

Condition-wise, this is a watch that wears its history proudly. The case remains sharp with defined edges on the lugs, avoiding the “melted bar of soap” look of over-polished examples. The movement, Caliber 126-6 (Serial 4.2M, dating it to roughly 1953/54), is clean and correct, humming along with the sturdy beat rate of 18,000 vph. The dial’s patina is heavy but stable, creating a unique aesthetic that no factory could replicate.

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 1-year mechanical warranty, activated upon the date of purchase. 

Shipping: This timepeice includes complimentary insured shipping within all 50 states. 

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.

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