Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Matt Black Dial - Black Micro-Perforated Leather Strap - 329.32.44.51.01.001 Limited blue ceramic pushpieces and screw-locked

blue ceramic pushpieces and screw-locked crown

anthracite printed Roman numerals

large square scale pearly dark grey alligator strap and additional black alligator strap

hand-stitched large square scale black alligator strap

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Matt Black Dial - Black Micro-Perforated Leather Strap - 329.32.44.51.01.001 Limited blue ceramic pushpieces and screw-locked44. 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, black micro