THE ESSENTIALS

MAKE: OMEGA
MODEL: 14755-61
YEAR: 1961
CASE DIAMETER: 38mm
CASE MATERIAL: STAINLESS STEEL
BRACELET MATERIAL: STAINLESS STEEL
MOVEMENT: AUTOMATIC

The Omega Seamaster 300 began its life in 1957 with the reference CK2913, launched alongside the Railmaster CK2914 and Speedmaster CK2915 as part of the legendary “Master Trilogy.” While the Seamaster name dates back to the 1940s, the SM300 was Omega’s first true dive watch built for serious underwater use, officially rated to 200m (though tested to 300m—hence the name).

Early SM300s feature a 38 mm straight-lug case, a thin bi-directional Bakelite bezel, and a clean, highly legible black dial. The original reference, CK2913, was produced for only a short four-year period before being succeeded by the CK14755, as seen in this example.