OMEGA gents wristwatch with complete calendar, chronograph & 24-hour-display, Switzerland around 1990, self winding, reference 175 0034, stainless steel/gold combined, snap on case back, white dial with gilded Roman numerals, bezel with tachometer graduation, gold-plated movement calibre 1150, 17 jewels, precision adjustment, diameter approx. 38 mm, overhaul recommended at buyer's expense, condition 2-3, property of a collector