Blancpain Fifty Fathoms Complete Calendar Chrono Watch 5066F-1140-52B : Blancpain Fifty Fathoms Chronograph watch, round steel antimagnetic case (45mm diameter, 17.4mm thick), blue fabric strap, blue unidirectional bezel, blue dial with luminous hour markers and hands, day and month indication at 12 o'clock, seconds subdial and moonphase indicator at 6 o'clock, centered date indication and chronograph seconds, 30 minute counter at 3 o'clock, 12 hour counter at 9 o'clock, 37 jewel Calibre #66BF8 self-winding automatic mechanical movement, scratch resistant sapphire crystal, 40 hour power reserve, water resistant to 300 meters.