A RARE GENTLEMAN'S STAINLESS STEEL BRITISH MILITARY GRANA W.W.W. WRISTWATCH CIRCA 1940s D: Black dial with applied Arabic numerals & luminous markers, original pencil hands, subsidiary seconds. M: 15 jewel manual movement numbered K.F.320. C: Military case with fixed bars, dust cover, case issue markings ^ W.W.W. M 18344, diameter approx 36mm. S: NATO strap.