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The double-signed dial is the kind of detail that separates a good vintage Omega from a memorable one, and on this Omega Seamaster Bumper the retailer signature is not stamped on the caseback or tucked behind a service sticker but printed directly inside the sub-seconds register at six. TÜRLER, the Zurich jeweler who has been on Bahnhofstrasse since 1875, has its name sitting on the small-seconds chapter where the wearer sees it every time the eye drops to the bottom of the dial. In our opinion, that placement is the move that elevates this watch from a clean 1951 Caliber 342 reference into a piece of provenance worth holding onto.
The Seamaster was launched in 1948 to mark Omega’s centenary, and the early references like the 2576 sit at the architectural crossroads of the line, after the wartime steel cases of the 1940s and before the line shifted toward purpose-built sport casings later in the decade. Türler distributed Omega in Zurich during this exact window, and Omega supplied the firm with dials carrying the Türler retailer signature inside the sub-seconds register as a co-branding gesture for one of its most important Swiss showrooms. The result is a Seamaster that left Bienne wearing the name of the Zurich jeweler that sold it, the way Tiffany & Co. dialed Patek Philippe references in New York during the same period.
Inside is the Omega Caliber 342, a 17-jewel bumper automatic. The bumper architecture is the part that makes the 342 worth talking about. Instead of a full-rotor that spins 360 degrees, the bumper has an oscillating weight that swings through a limited arc and bounces off sprung buffers at each end of its travel, transmitting a soft thud through the case that the wearer can actually feel on the wrist as the weight reverses direction. The 342 was Omega’s mature bumper, produced from the late 1940s through the early 1950s before the brand moved its automatic line to the full-rotor Caliber 354 series, and it represents one of the last and best executions of a transitional technology that Rolex, Eterna, and the rest of Switzerland had already moved past. The bridges and mainplate carry the Omega Ω stamp with the 342 caliber designation, and the movement serial 12765162 is consistent with 1951 production for this caliber generation.
The stainless steel case is signed verbatim on the screw-back caseback with Ω OMEGA WATCH Co inside a triangle at top, with W711034 to its right, then FAB. SUISSE and SWISS MADE below the logo, with ACIER STAYBRITE and 2576-14 with a separate H case-maker mark stacked at the lower half of the back. ACIER STAYBRITE is the Swiss term Omega used for early stainless steel in this period before standardizing to the English wording. The case is the thick “beefy lug” form that mid-century Seamaster collectors hunt for specifically, with downturned lugs that hug the wrist and a measured 34.5mm case width that drinks a 42.5mm lug-to-lug on the wrist meaningfully larger than the diameter suggests. The side profile shows the honest scratch field of seven decades of use, and the caseback carries the soft, circular polishing pattern from generations of openings for service.
The dial is where this Omega Seamaster Bumper earns its keep. The original cream surface has aged into a heavy, evenly-distributed freckled patina that we would call tropical if the cream were darker and stardust if the speckling were finer, and it lands somewhere in between with its own quiet character. The freckling reads uniformly across the entire dial face, which is the giveaway that the patina developed organically across the whole surface in step rather than from localized moisture, and that even progression is part of what makes the dial look honest rather than damaged. Applied polished steel dart indices sit at every hour except the cardinal positions, where 12, 3, and 9 print in dark Arabic numerals (the six is replaced by the sub-seconds register). OMEGA in printed serif sits above Seamaster in script with AUTOMATIC in small caps below, all stacked tight beneath the Ω logo at twelve. The TÜRLER signature prints crisply inside the sub-seconds register at six, and SWISS MADE prints just below the register at the bottom edge of the dial. The dauphine hour and minute hands are polished steel with central faceted ridges, and the slim baton seconds hand traces the sub-seconds chapter.
We pair this Seamaster on a 18mm olive Italian suede strap with side-stitch detailing, finished with an OTTUHR signed steel buckle. The dark olive picks up the green undertones in the speckled patina and lets the dial run the visual show, while the suede texture keeps the wrist presentation soft and unstructured against a case profile that already does the heavy lifting on the visual side. The strap is sized to a 8.5-inch maximum wrist and can be re-spec’d at the buyer’s request if a leather or fabric pairing reads better for the intended rotation.
Serviced in-house at OTTUHR and backed by our 2-year mechanical warranty, this Omega Seamaster Bumper is the kind of double-signed vintage Omega that doesn’t sit in our cases for very long when it arrives. For the collector who values provenance and texture over a re-dialed perfect surface, the combination of the Caliber 342 bumper architecture, the Türler retailer signature inside the sub-seconds, the uniform freckled patina across cream, and the original ACIER STAYBRITE case at the desirable 2576-14 reference makes this, to us, one of the more genuinely characterful early Seamasters we have handled at this price point.
