Vintage Omega Marine Standard CK 3635 Swiss Watch, Cal. T17 Movement, Bronze Patina Dial from 1939

There’s a special kind of presence to Omega’s 1930s tanks, and the Marine Standard sits right at the heart of that story. Introduced as a more accessible, everyday variant of Omega’s groundbreaking 1932 Marine, the CK 3635 carried forward the innovative moisture-resistant concept that made the Marine famous—only with a simpler, more practical case design and an external crown for easy daily winding. This example captures all of that early ingenuity, wrapped in the unmistakable geometry and charm of pre-war Swiss watchmaking.

In hand, the watch feels like a genuine artifact. The rectangular stainless steel case, the layered Art Deco dial, the stepped minute track, and the warm bronze patina all work together to create a mood that’s impossible to replicate. That patina isn’t just attractive—it’s unique. The dial has aged into a shifting bronze tone that changes subtly in different light, giving the watch a distinct personality that seasoned collectors tend to fall for instantly.

The CK 3635 fits comfortably into Omega’s early push toward water-ready designs, though of course it should no longer be considered waterproof today. Still, its construction, its pod-style movement cradle, and the robust T17 caliber inside reflect an era when Omega was experimenting boldly with technical solutions. Nearly a century later, those choices give this piece both historic weight and enduring charm.

Case

• Reference CK 3635

• 23mm x 37.5mm rectangular stainless steel case

• 8.5mm thickness, preserving the pod-style internal movement cradle

• Clip-sealed design—Omega’s early attempt at moisture resistance

• Crown positioned externally for daily winding and easy time-setting

• Angular Art Deco profile with strong, honest vintage character

• Period-correct acrylic crystal

Movement

• Omega Caliber T17, one of the brand’s most celebrated early rectangular movements 

• Manual-wind, robust brass architecture

• Housed in Omega’s pod-style movement container

• Known for reliability, torque, and long service life

• Running condition appropriate for vintage wear

• Serial Number 9021212 dates to 1939

Dial

• Original dial with richly developed bronze patina—shifting tone depending on light

• Rare full Arabic painted numerals, all evenly aged

• Open “syringe”–style hands, typical of the Marine Standard family

• Rectangular small-seconds register at 6 o’clock

• Stepped Art Deco minute track framing the display

• Omega signature beneath 12 o’clock

The Omega Marine Standard CK 3635 is more than a handsome vintage watch—it’s a snapshot of genuine innovation. As the second generation of the pioneering Marine line, it represents Omega’s push to refine moisture-protected rectangular cases while keeping the design elegant and approachable. Add the charismatic bronze dial, the celebrated T17 movement, and the unmistakably 1930s profile, and you have a piece that’s rare, collectible, and full of personality.

For anyone drawn to early Omega engineering or the romance of Art Deco Swiss design, this Marine Standard is a standout example. It wears beautifully, carries real historical significance, and offers a unique aesthetic you simply won’t find in modern watchmaking.

Continue your journey through Omega’s legacy:
Omega Dynamic
Omega Constellation 
Omega Seamaster
Omega Ladymatic
Omega Speedmaster