Vintage swiss watch handing mechanical chronograph KOK Oversize!!

BrandKOK
GenderMen's
MovementHand Winding
Case materialPlaqué OR
Diameter without crown37,7 mm
Bracelet materialLeather
Year60s
ConditionFine
BoxNo
PapersNo
WorkingYes
Observations

Very large for the time: 37,7 mm without crown and 39,6 mm with. Natural wear of the passage of time and use. A marvel!!!