This 1966 Omega Seamaster De Ville 166.020 embodies the refined craftsmanship of Omega during one of its most celebrated eras. The classic 35mm stainless steel case offers a balanced and elegant wrist presence, housing the highly regarded Omega Calibre 565 automatic movement—renowned for its durability, precision, and smooth performance.

The platinum-toned dial delivers exceptional clarity, complemented by a clean, understated design that captures the essence of mid-century Omega styling. Its timeless aesthetic ensures versatility, appealing to both collectors and those seeking a sophisticated everyday piece.

Finished with a premium black leather strap, this Seamaster De Ville transitions effortlessly from formal occasions to professional settings. A truly distinguished vintage timepiece, it represents an excellent acquisition for those who appreciate authentic Swiss heritage and enduring horological excellence.

• Manufacturer: Omega
• Country of origin: Switzerland
• Serial no.: 2311****
• Year built: 1968
• Model: Seamaster 166.020
• Functions: Hours, Minutes, Sweep Seconds.
• Case material: Stainless Steel
• Case markings (outside): Sea Monster Logo
• Case markings (inside): Omega Watch Co | Swiss Made.
• Case condition: Good condition no scratches to the crystal, small markings to the case.
• Dimensions: 35mm diameter (excluding crowns), 37mm including crown.
• Dial: Platinum colour with silver and black hour markers.
• Hands: Silver and black with silver sweeping seconds hand, light patina.
• Movement type: High grade, Cal. 565, automatic, shock resistant.
• Movement markings: Omega Watch Co. Swiss. 2311****, Cal 565, Omega Logo
• Band: Premium Black Leather Strap
• Serviced: Yes, cleaned and oiled

Things to consider:

The watches we sell are all either Manual or Automatic movements. Knowing this is an important aspect of your purchase, as the movement type defines how the watch will run. Check out the above description to confirm the movement type, then head to the "So What Now?" section of our site for further information on movements; advice on looking after your vintage watch; and answers to some more frequently asked questions!

Due to the nature of vintage timepieces, their age means that 100% waterproofing cannot be guaranteed. 

For any information regarding shipping and/or returns please see our Refund Policy and Shipping Policy.