IWC REF. 666 AD INGENIEUR YELLOW GOLD
Ingenieur International Watch Co., Schaffhausen,
"Ingenieur", movement No. 1386055, case No. 1438856,
Ref. 666 AD. Made circa 1958.
Fine, water-resistant, center seconds, anti-magnetic, self-
winding, 18k yellow gold wristwatch with date and an 18k
yellow gold IWC buckle.
Dial, case and movement signed.