1975 Large Seamaster Cosmic 2000 Automatic Date Date Model 166.136 blue gloss dial Dial on BraceletThis Watch Omega Seamaster Cosmic model 166. 136 from 1975. The stainless steel case has the unique 'Cosmic 2000' waterproof design, where the outer bezel frame and movement are housed in inner sealed tub. The 38mm size forms a great presence on the wrist, which in part is due to the nicely rounded bezel, but also due to the generous size for a watch of this era and the integral bracelet joins seamlessly. Inside is the automatic caliber 1022, fully