Omega Style No: 329.53.44.51.03.001 Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Sedna Gold Case - Sun Brushed Blue Dial - Blue Leather Strap

44.25 mm 18K Sedna gold case with antimagnetic design, transparent back, 18K Sedna gold bezel with blue ceramic ring and tachymeter scale in Ceragold, domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides, sun brushed blue dial with racing style minute-track, caliber 9901 self-winding Co-Axial master chronometer movement with chronograph and date functions, approximately 60 hours of power reserve, blue leather strap. Water resistant to 50 m (167 ft).