Omega Speedmaster Chronograph Michael Schumacher 3510.12 Mens Watch. 39mm Stainless steel case. stationary bezel with a black tachymeter scale bezel insert. Yellow dial with white luminous hands and stick hour markers. Minute markers around the outer rim. Three Chronograph sub-dials displaying: 60 seconds, 30 minute and 12 hours. Stainless steel bracelet with a fold over clasp. Acrylic crystal. Calibre 1143 automatic self-winding movement with a 40-hour power reserve. This watch is backed by our one year warranty.