Blancpain Fifty Fathoms Automatique

Blancpain's Fifty Fathoms Automatique, reference 5015D 1140 71B, has a steel case measuring 45 mm across. The case stands 15.5 mm thick, with lugs spaced 23 mm apart. A sapphire crystal covers the sunburst blue dial, which carries a central seconds hand and a date display. The self-winding calibre 1315 drives the watch and stores 120 hours of power reserve, a substantial figure for an automatic movement. Blancpain fits the watch to a steel strap secured with a folding clasp. This reference is presented as a dive watch. The steel case carries a 300 metre water resistance rating.