Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Black Dial - Black Leather Strap - 329.33.44.51.01.001 Grande manual-winding Omega 1861 movement with

manual-winding Omega 1861 movement with chronograph and small seconds (original movement that was worn on the moon)

Redesigned for Baselworld 2018 with updated case sies

43mm stainless steel case

black calfskin strap

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - Black Dial - Black Leather Strap - 329.33.44.51.01.001 Grande manual-winding Omega 1861 movement with44. 25 mm stainless steel case with antimagnetic design, transparent back, black ceramic bezel with tachymeter scale in liquidmetal, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, 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 leather strap. Water resistant to 50 m (167