Seamaster Calendar CK2627
1952–?2 variants
Seamaster Calendar, the first Omega with a date. Screw-in caseback and screw-down clover-leaf crown; “Omega Automatic” under an applied logo at twelve and “Seamaster Calendar” above a date window at six. Steel or 14k gold-capped steel.
Variants over time
All recorded years
19501954
19501955
Faded ends mark approximate or unknown dates. Years are as stated by the cited sources.
Variants
- CK2627, Square Date Window1952
Very early dials with a square date window and wide indexes with a large lume dot.
Date - CK2627, Trapezoid Date Window1953–?
From 1953 the date window becomes trapezoid; most later dials also have thinner indexes. White (now often cream) or black dials, smooth or waffle-textured.
Date
Reference specifications
- Brand
- Omega
- Model
- Seamaster
- Reference
- CK2627
- Category
- Diver
- Production
- 1952–?
- Case diameter
- 35.3 mm
- Date
- Yes
- Movement
- Automatic
Specs shared by all variants. Variant pages show where a variant differs.