OMEGA "DIRTY DOZEN". A MILITARY ISSUED STAINLESS STEEL MANUAL WIND WRISTWATCH. Case Serial Number: 10686127. Date: Circa 1944. Movement: Signed, cal.30T2. Dial: Signed, black, luminous Arabic numerals, luminous sword hands, seconds subsidiary dial at the 6 o'clock position. Case: Signed, stainless steel, marked Y21928/10686127, screw down back case. Strap: Nato style. Size: 35mm.