In great condition, not polished: Seamaster is still visible in the case back
The early automatic Omega caliber 354 bumper or hammer automatic
All stainless steel
Case back reference C 2577-11sc
Movement number 13904676
Size: 34 mm (without crown) 11 mm thin
Created in 1952, 17 jewels
Screw in case back
Crystal: Armoured hesalite
New black leather bracelet