A RARE GENTLEMAN'S STAINLESS STEEL BRITISH MILITARY IWC MARK 10 W.W.W. WRISTWATCH CIRCA 1944 D: Black dial with applied Arabic numerals, military arrow, subsidiary seconds. M: Manual wind movement signed International Watch Co & numbered, calibre 83. C: Military case with fixed bars, signed IWC & numbered, issue markings ^ W.W.W. M13188, case diameter measures approx 35mm. S: Hirsch leather strap.