Omega Marine reference number 679 (1932)

In 1932 Omega introduced a waterproof wristwatch called the Omega Marine reference number 679. The Omega Marine was the first dive watch commercially available to civilians, the first watch specifically tested and qualified for diving. The Marine was at first fitted with the manual winding calibre 19.4 T1, but later with the improved 19.4 T2, created in 1935.