Omega caliber 3888
Self-winding chronograph movement with Co-Axial Escapement, free sprung balance and a new generation of shock-absorber. Date, day indicator, hour, minute and continuous small seconds hands. Central chronograph hand, 30-minute totalizer, 12-hour totalizer and 7-day totalizer. Day-date change at midnight with instantaneous jump. Luxury finish with Geneva waves. Officially certified chronometer.