1966 Omega Seamaster 166.020

The 1966 Omega Seamaster ref. 166.020 is a beautiful example of Omega's celebrated mid-century craftsmanship. Its elegant 35mm stainless steel case houses the renowned automatic Calibre 564 movement, offering the precision, reliability, and smooth performance collectors admire.

The clean platinum-coloured dial captures the understated sophistication of vintage Omega design, while the premium black leather strap adds a timeless finishing touch. A refined Seamaster that perfectly blends Swiss heritage, everyday versatility, and enduring style.

• Manufacturer: Omega
• Country of origin: Switzerland
• Serial no.: 2301****
• Year built: 1966
• 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: Excellent 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.
• Movement type: High grade, Cal. 564, automatic, shock resistant.
• Movement markings: Omega Watch Co. Swiss. 2301****, Cal 564, Omega Logo
• Band: Premium Black Leather Strap
• Serviced: Yes, cleaned and oiled

 THIS WATCH ALSO COMES WITH  AN MWW TRAVEL CASE

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. 

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