Breguet Transatlantique Type XXI Flyback Chronograph 3810ST/92/9ZU. 42.5 mm stainless steel case. Grey dial with Am/Pm indicator at 3 o’clock, 12-hour counter and date aperture at 6 o’clock, seconds sub-dial at 9 o’clock. Central 60-minute and 30-seconds counters. Automatic Swiss Made Caliber 584Q, features 25 jewels. Power reserve of 48 hours. Brown calfskin leather strap with deployment buckle.