What are the case specifications of the OMEGA?

The OMEGA features a Steel case.

What is the water resistance of the OMEGA?

The OMEGA has a water resistance rating of 30m (rain/splash).

What movement does the OMEGA use?

The OMEGA is powered by a Manual Winding, caliber 420.

When was the OMEGA produced?

The OMEGA CK 2735 has been in production from 1954 to 1958.

OMEGA CK 2735

Manual WindingSteel

Ref. CK 2735

Movement: 420Production: 1954 - 1958

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Last updated 5 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Case Material

Steel

Water Resistance

30m

MOVEMENT

Movement Type

Manual Winding

Caliber

420

BRACELET/STRAP

Bracelet/Strap

Leather

Other watches with the 420 calibre

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OJ 2690

Manual Winding

OMEGA

OT 2650

Manual Winding

QUICK FACTS

BRAND

OMEGA

REFERENCE

CK 2735

MOVEMENT

Manual Winding

CALIBER

420

CASE MATERIAL

Steel

WATER RESISTANCE

30m (rain/splash)

PRODUCTION

1954 - 1958

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Last updated 5 Oct 2026Suggest a correction

FOR WATCH DEALERS

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OMEGA CK 2735

TECHNICAL SPECIFICATIONS

CASE

MOVEMENT

BRACELET/STRAP

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QUICK FACTS

FOR WATCH DEALERS