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 Anniversary 29 mm stainless steel and

29 mm stainless steel and 18K yellow gold case

sun-brushed brown dial with date at 6 oclock

Case Detail 18-carat white gold case set with brilliant-cut diamonds

18K yellow gold octagonal crown set with a brilliant-cut diamond

Case Size 33 mm

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 Anniversary 29 mm stainless steel and44. 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.