Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Sedna Gold Bezel - Matt Grey Dial - Grey Leather Strap - 329.23.44.51.06.001 Z-33 sapphire back

sapphire back

Water resistant to 100 m

white gold applied hour-markers and Royal Oak hands with luminescent coating

hand-stitched large square scale black alligator strap

75 mm thick

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Sedna Gold Bezel - Matt Grey Dial - Grey Leather Strap - 329.23.44.51.06.001 Z-33 sapphire back44. 25 mm stainless steel case with antimagnetic design, transparent back, 18K Sedna gold bezel with silicon nitride ring and tachymeter scale in Ceragold, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, matt grey dial with racing style minute track, caliber 9900 self winding Co Axial master chronometer movement with chronograph and date functions, approximately 60 hours of power reserve, grey leather strap.