Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Sun Brushed Grey Dial - Brown Leather Strap - 329.32.44.51.06.001 17 Caliber: RM014

Caliber: RM014

screw-down yellow gold back

burgundy shiny alligator leather strap

calibre 69385 automatic movement with date

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Sun Brushed Grey Dial - Brown Leather Strap - 329.32.44.51.06.001 17 Caliber: RM01444. 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, sun brushed 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, brown leather