1960s Whittnauer 4000. Runs good. See video of watch running. Good clean cosmetic condition with expected patina and wear.

The Vintage Wittnauer Ref. 4000 Skin Diver is a 38mm stainless steel wristwatch designed for men. This manual mechanical watch features 17 jewels, a date indicator, and a 12-hour dial. Manufactured in Switzerland during the 1960s, this Wittnauer Skin watch is a classic diver's timepiece with a sporty style. The watch is uncustomized and comes without papers or original box/packaging, making it a desirable piece for collectors of vintage timepieces.