Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - White Dial - 329.30.44.51.04.001 Et interchangeable full and sapphire crystal

interchangeable full and sapphire crystal back

calibre 82110 automatic movement with date

silver vertical brushed dial with luminous arabic numerals and hour markers

dark rhodium diamond Roman IV dial

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - White Dial - 329.30.44.51.04.001 Et interchangeable full and sapphire crystal44. 25 mm stainless steel case with antimagnetic design, transparent back, black ceramic bezel with tachymeter scale in white enamel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, white 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 bracelet. Water resistant to 50 m