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 film 0 mm stainless steel and

0 mm stainless steel and yellow gold case

MODEL NUMBER 77247BC

42 mm 18K yellow gold case

Calibre 5201 hand-wound movement with hours

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 film 0 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.