IWC has produced a very wide variety of wristwatches from an early time ranging from dress watches to aviation watches. This example with a square stainless steel case in stunning condition would remain a constant in anyone's collections. The case style is very rare and elegant with its clean lugs and it's perfectly designed to peek out just enough under the jacket cuff. CASE: excellent overall condition, showing minor traces of use 3- body stainless steel case with snap on case back 31 mm (without crown) / 31 mm (lug-to-lug) / 20 mm (between lugs) Year: 1960s Ref.: R1160A MOVEMENT: International Watch Co Cal. 8541 - Automatic 21 jewels, 19800 A/h, 44 hours power reserve professionally serviced in 07/2022 -3sec/d / 290° DIAL: original never touched silver sunburst dial in great condition original hands, dial and crown