Croton.
Chronomaster, Aviator, Sea Diver,, Ref. 9870. Fine, water resistant, stainless steel wristwatch with round button chronograph, tachometer, register and an original steel Nivada bracelet with deployant clasp. Made circa 1960.
Dial, case and movement signed, in good condition.
DIAM: 39 mm THICKNESS: 12 mm