1965 Omega (Seamaster) Rare Cal. 560 Vintage Mens Watch, Automatic, Date - 10K Gold Filled & Stainless Steel Secondary Seconds It is the lighter tone

It is the lighter tone version of the dial

Case markings (outside): WATERPROOF

The origins of the large minimalistic case design for the Portofino can be traced back to the 1970's

but as a personal keepsake - something meaningful enough to wear

Note that since the photos were taken the back has been snapped on perfectly straight

1965 Omega (Seamaster) Rare Cal. 560 Vintage Mens Watch, Automatic, Date - 10K Gold Filled & Stainless Steel Secondary Seconds It is the lighter toneToday's offering showcases this rare, classic and pleasing automatic Omega. It features Omega's rare caliber 560 movement of which only 3,000 examples were made. These watches were made just for the U. S. market to avoid higher tariffs, and these 3,000 movements were split across 9 models, making each model in effect a very "limited edition." It is original down to the dial and hands and presents beautifully on the wrist. The centerpiece of the watch