IWC - Cal. 83 A Very Fine, Rare and Early Stainless Steel Wristwatch with Calatrava Case Regatta Yachttimers this Zenith Plongeur Defy comes

this Zenith Plongeur Defy comes paired with a Tropic strap

a 12-hour countdown timer

Complete your vintage watch set with this beautiful Berthoud Genève blue watch box

The model was intended to be an everyday tool-watch

featuring two registers and a tachymeter scale as well as a unique patina

IWC - Cal. 83 A Very Fine, Rare and Early Stainless Steel Wristwatch with Calatrava Case Regatta Yachttimers this Zenith Plongeur Defy comesLaunched in 1931 with a batch of 600 manual calibre 83 movements, the IWC Cal. 83 model is considered by many as being the most fine looking dress watch of all time. According to its Serial Number, this watch was produced between 1935 and 1938. With Calatrava case, its shape and proportions are known to be the best for a dress watch. The Calatrava stainless steel case remains in extremely nice original condition with minor scratches and the dial