Omega Speedmaster 311.10.39.30.01.001

Movement:    Famous manual-winding chronograph movement. A descendent of the caliber that was worn on the Moon. Rhodium-plated finish. Power reserve: 48 hours.Caliber:    1861Case:    Stainless steel round case 38.6 mm in diameter.Bezel:    Stainless steel bezel with tachymetre function.Crystal:    Hesalite crystal with OMEGA logo in the center.Dial:    Black dial with luminous hands and baton hour markers. Three chronograph subdials -- 30 minutes at 3, 12 hours at 6, and small seconds at 9 o'clock. Central chronograph seconds hand.Bracelet:    Brushed and polished stainless steel bracelet with push button deployant clasp. Will fit 8" wrist.