Fifty Fathoms date and seconds-hands undirectional bezel, anti-magnetic,self winding. Flyback Chronograph "Fifty Fathoms", SPORT, date and seconds-hand, black dial, unidirectional bezel, antimagnetic case, self-winding The luminous hands and numerals of its dial provide easy legibility in the darkness and water. The screw-in crown, push-buttons and case back guarantee the flyback chronograph’s water-resistance - Water resistant - 300 meters/1000ft. Case back solid - diameter 45 mm x 15.5 mm. Dial black - date indication window at 6 o'clock. Power reserve of 40 hours. Calibre - F185 self-winding automatic mechanical movement