Vintage Omega Seamaster 600 Manual Wind 135.011 - 34mm - 1964

This vintage Omega Seamaster 600, produced in 1964, features a white dial with attractive patina developed over time. The 34mm stainless steel case houses the manual-wind caliber 601, serviced in January 2026 and running excellently. It is paired with a top-grain leather strap with a crocodile-grain motif and glossy finish. Overall condition is great, making it a great daily wearer in a classic gentleman’s size with vintage look.

 Year of production: 1964

 Serial number: 21.638.532

 Model number: 135.011

 Case dimensions.

  - Width excluding crown: 34mm

  - Width including crown: 37mm

  - Lug to lug: 40mm

  - Thickness: 9,6mm

 Lugs width: 18mm

 Strap: A top-grain leather strap with a crocodile grain and glossy finish. (Fits a 12 to 20cm wrist)

Total head-only weight: 28,7g

 Country of origin: Switzerland 

 Movement: Cal. 601 Manual Wind

 Service information: Movement serviced in January 2026. Runs and functions excellently. (~+1s/d, ~280amp, ~0.0ms b/e)

Internal code: BTW 1297