Blancpain Fifty Fathoms Automatique

Blancpain's Fifty Fathoms Automatique, reference 5010 3630 B52B, has a 42.3 mm case in red gold. The case measures 14.3 mm thick, with a lug width of 21.5 mm. A sapphire crystal covers the black dial, which carries a date window and a central seconds display. The self-winding calibre 1315 drives the watch, with a power reserve of 120 hours. This movement includes the secured-movement mechanism that protects the going train when setting the time. The dial sits on a sail-canvas strap fitted with a folding clasp. Blancpain rates the case to 300 metres.