Vintage Omega Genève Blue Dial Patina Japanese Market model 166.721 - 37,5mm - 1970

This vintage 1970 Omega Genève (Ref. 166.721) was made exclusively for the Japanese market and features a 37,5mm stainless steel case paired with a striking blue dial that has developed a unique patina over time. It is powered by the Caliber 565 automatic movement, overhauled in January 2025 for great functionality.

The watch remains entirely original except for its newly replaced black calf leather strap, which fits wrists up to 22 cm. An uncommon and sporty piece.

 Year of production: 1970

 Serial number: 32.942.388

 Model number: ST 166.721 / 5321

 Case dimensions.

  - Width excluding crown: 37,5mm

  - Width including crown: 38,5mm

  - Lug to lug: 40mm

  - Thickness: 12,2mm

 Lugs width: 18mm

 Strap: A black premium calf leather strap by “Pebro”. (Fits a 12 to 22cm wrist)

 Country of origin: Switzerland 

 Movement: Cal. 565 Automatic 

 Service information: Movement overhauled in January 2025. Runs and functions well. (~+5s/d, ~254amp, ~0.6ms b/e)

Internal code: M 834