Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Matt Black Dial - 329.30.44.51.01.002 Daniel 00mm stainless steel case

00mm stainless steel case

bezel with a silicon nitride ring and brushed OMEGA Ceragold™ tachymeter scale

48mm 18K yellow gold case

43 mm stainless steel case

96 mm thick stainless steel case

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Matt Black Dial - 329.30.44.51.01.002 Daniel 00mm stainless steel case44. 25 mm stainless steel case with antimagnetic design, transparent back, black ceramic bezel with tachymeter scale in orange wording and liquidmetal scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, matt black 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, stainless steel