MOVEMENT Calibre: Omega 1861 Famous manual-winding chronograph movement. A descendent of the calibre that was worn on the Moon. Rhodium-plated finish. Power reserve: 48 hours CRYSTAL Scratch-resistant sapphire crystal with anti-reflective treatment on both sides WATER RESISTANCE 5 bar (50 metres / 167 feet) WATCH CASE & DIAL Case: Steel - Sedna™ Gold Case Diameter: 42 mm Between lugs: 20 mm Dial Colour: Grey Total product weight (Approx.): 177 g BRACELET Material: Steel FEATURES Chronograph, limited edition (0), small seconds, tachymeter