1930s IWC Cal.83 Screw-back Calatrava Applied Sector Breguet Dial in Staybrite

This is a rare and rare Applied Sector Dial Breguet number with the famous Cal.83 International machine manufactured in the late 1930s. The 30mm Calatrava case has a massive structure that can only be found in early waterproof watches, and the small size combined with the condensed sector dial gives the watch a presence that transcends its size. It has a sense of presence that goes beyond its size. It is equipped with the C.83, one of the most famous international machines.