Omega

'51 Seamaster Calendar cal. 353...  

Hello, This is a very clean example of a "date at 6" SM - congrats - it is a wonderful watch! regards erich

HI Chris I bet you did not know that you model is in the "Jumbo" sized case at about 35.5 mm in comparison to the std 34 mm.. The "Cat Ear" lug case almost always has a caliber 353 under the hood , where as the std case you would normally find a 355 ( swa... 

Congrats! The dial is amazing! Just love it. Thanks for sharing. Nicolas

Love the textured dial. Even nicer with that older beveled edge crown (that I've only seen on Constellations). really nice find. This is how Omega lists that watch. Love to know more....  

the case being st st and the serial number dates the watch to 1951.

Great resource: www.omegawatches.com / Free to register. As I understand it, movement serials determine when the movements were made, but watch could have been assembled at a much later date.

Omega assigned series of movement numbers to a calibre. Depending on the popularity of the calibre, it could be used rapidly or slowly. In addition, as Mr Snak observes, the completed movement might be set aside and not used for some time. Given the high ...