Vintage Omega Seamaster Automatic DayDate 166.0210 - 35,5mm - 1975

A Vintage Omega Seamaster Automatic Day-Date from 1975, featuring a beautiful silver dial with a vertically brushed finish that remains in impeccable shape. It has a day-date function at the 3 o’clock position with English weekdays, both the date and day are quickset thanks to the caliber 1022 automatic movement, which was overhauled in April 2026 and now runs and functions well. The steel case measures 35.5mm excluding crown and remains in great condition. Fitted with a tan brown leather strap, this piece makes for a beautiful daily wearer and a great addition to any collection.

 Year of production: 1975

 Serial number: 39.459.352

 Model / Reference number: 166.0210

 Case dimensions.

  - Width excluding crown: 35,5mm

  - Width including crown: 38mm

  - Lug to lug: 41mm

  - Thickness: 10,5mm

 Lugs width: 18mm

 Strap: A tan-brown leather strap. (Fits a 12 to 20cm wrist)

Total head-only weight: 38,4g

 Country of origin: Switzerland 

 Movement: Cal. 1022 Automatic

 Service information: Movement overhauled in April 2026. Runs and functions well. (~+/-0s/d, ~251amp, ~2.0ms b/e)

Internal code: BTW 1563