Vintage swiss automatic Omega Geneve calendar 70s all original

BrandOmega
GenderMen's
MovementAutomatic
Case materialStainless Steel
Diameter36,3 mm
Bracelet materialStainless Steel
Year70s
ConditionFine
BoxNo
PapersNo
WorkingYes
Observations

36.3 mm without crown. 38.3 mm with crown. Natural wear of the passage of time. Original 100%