Model: 175.0310 Box & Cert Undated, Circa 1995. Omega 44-jewel Cal.1138 automatic movement in a stainless steel case 38mm, black dial with luminous Arabic numerals, white outer 1/5th second track with yellow Arabic five-second markers, white dagger hands with luminous inserts and yellow center chronograph hand, subsidiary dials at 3 and 9 for running seconds and 30-minute recording, brushed round case with a screw-down back, crown flanked by twin pushers, fitted with original Omega leather strap with signed steel buckle.