This 1966 Omega Seamaster De Ville 166.020 is a fine expression of the brand’s celebrated mid-century craftsmanship. The elegant 35mm gold-plated case offers a refined and balanced presence on the wrist, housing the dependable automatic Calibre 562—respected for its accuracy, durability, and smooth operation.

The pearl white dial delivers crisp legibility, paired with a clean, minimalist design that defines classic Omega styling of the era. Its timeless look ensures versatility, making it equally suited to collectors and those in search of a sophisticated daily wearer.

Completed with a premium brown leather strap, this Seamaster De Ville moves effortlessly between formal occasions and everyday settings. A truly distinguished vintage timepiece, representing the enduring quality and heritage of Swiss watchmaking.

• Manufacturer: Omega
• Country of origin: Switzerland
• Serial no.: 2387****
• Year built: 1966
• Model: Seamaster 166.020
• Functions: Hours, Minutes, Sweep Seconds.
• Case material: Stainless Steel/Gold Plated
• 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: Pearl White with gold hour markers.
• Hands: Gold with gold sweeping seconds hand, light patina.
• Movement type: High grade, Cal. 562, automatic, shock resistant.
• Movement markings: Omega Watch Co. Swiss. 2387****, Cal 562, Omega Logo
• Band: Premium Brown 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.