Omega Speedmaster Moonwatch Co-Axial Master Chronometer Moonphase Chronograph Blue Side Of The Moon Watch - 44.25 mm Blue Ceramic Case - Blue Aventurine Glass Dial - Blue Leather Strap - 304.93.44.52.03.002

44.25 mm blue ceramic case, transparent back, bezel ring with an OMEGA Ceragold™ tachymeter scale, scratch-resistant sapphire crystal anti-reflective treatment on both sides, blue aventurine glass dial with 18K Sedna gold indexes and hands, date hand with red tip, tachymeter scale, Caliber Omega 9904 self-winding movement with chronograph, chronometer, moonphase, approximately 60 hours of power reserve, blue leather strap. Water resistant to 5 bar (50 metres / 167 feet).