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Omega Marine Standard CK 3635 | steel


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Basic Info

Brand Omega
Ref. No. CK 3635
Movement Manual winding
Case material Steel
Bracelet material Leather
Year 1940s
Condition 1 (mint)
  With box
Gender Men's watch/Unisex
Location United Kingdom, London
Price £2,150 (= [SOLD])
Availability Available now


Movement Manual winding
Movement/Caliber Omega T 17
Number of jewels 15


Case material Steel
Case diameter 22 x 38 mm
Waterproof Not Waterproof
Glass Plexiglass
Dial Champagne
Dial numerals Arabic numerals


Bracelet material Leather
Bracelet color Brown
Clasp Buckle
Clasp material Steel


Small Seconds, Luminescent Hands, Only Original Parts


This rare, 15-jewel manual-winding, steel Omega Marine Standard (ref. CK 3635) pre-owned watch is in fantastic, vintage condition and has excellent mechanical functionality. It comes in its original Omega box and is guaranteed for authenticity.

In 1939, Omega introduced the Marine Standard, a rectangular, waterproof watch and it became the first calibre, shaped for water-resistance. In homage to Omega's first ever waterproof diver's watch, the Marine, they named it 'Marine Standard' to indicate it was to be part of the standard production, and not a specialised piece. The Marine Standard also used the Baumgartner system that made the original 1932 Marine airtight. However it had a major practical improvement on the Marine; the crown was placed on the outside of the case. Thus it was no longer necessary to remove the watch from its waterproof case in order to wind it.

This early example of the Omega Marine Standard is from circa 1940. Encased within a stainless steel Tank case, it measure 22 mm in width and 38 mm in length, including the straight lugs. The back case is engraved with 'WATERPROOF' and the serial number, meanwhile the inside bears the Omega hallmark, the patent numbers and the stainless steel mark. The Calibre T 17, rectangular in shape, is a 15-jewel manual-winding movement. It is also signed by Omega.

The cream dial has rectangular, painted minute markers and black, painted Arabic numerals. The Omega symbol and name are referenced at twelve o'clock. The sub-seconds dial is placed at six o-clock, with 'SWISS MADE' referenced underneath. The hour-and minute Dauphine hands, are late 1950s replacements. The watch has a beautiful Art Deco look and feel. This vintage Marine Standard comes on a brown suede eather strap, with an Omega-signed vintage tang buckle.

Our preowned watches have all undergone thorough mechanical inspections, including being ultrasonically cleaned, polished, resealed if appropriate and tested for at least four days, to ensure they meet our highest timekeeping standards.


All watches are either covered by a full, or a limited twelve month warranty. For example, due to their age, some vintage watches should not be subjected to the same conditions as when they were new. Please see our Terms & Conditions for further information.

If ordering from the UK before 1 PM, your watch will be sent by Royal Mail Special Delivery by Next Day. All of our parcels are fully insured.

If ordering from outside the UK, your watch will be dispatch the same day with DHL Global Express. Delivery is expected by the end of the next working day. However, delivery time may depend on customs clearance.

Viewings can be arranged in Central London by appointment.

You can cancel your order without giving any reason, within 14 days from the day the watch has been delivered to you.

For more information and photos, including 360° degree rotations at, please contact us.