IWC. AN OPEN FACE STEEL POCKET WATCH Date: Circa 1940's Movement: Signed International Watch & Co, IWC, Cal.97, No.1567058 Dial: Signed, silvered, silvered applied batons, silvered leaf hands, subsidiary dial at the 6 o'clock position Case: Signed, brushed steel, snap on gap, No.1637590 Size: 45mm Accompaniments: Chain