Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Black Dial - 331.10.42.51.01.001 ceramic Caliber Omega 1861 manual-winding movement

Caliber Omega 1861 manual-winding movement with chronograph

5 mm titanium case with anti-magnetic properties

Rolex calibre 2236 automatic movement with centre hour

flying minute tourbillon

Omega Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Steel Case - Brushed Bezel - Black Dial - 331.10.42.51.01.001 ceramic Caliber Omega 1861 manual-winding movement41. 5 mm stainless steel case, transparent back, brushed bezel with with tachymeter scale, scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial, self winding chronometer Omega 9300 movement with Co Axial Escapement, chronograph, date, and small seconds, approximately 60 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.