Blancpain Fifty Fathoms Automatique

Blancpain's Fifty Fathoms Automatique, reference 5010 36B40 O52A, is a dive watch cased in red gold at 42.3 mm. The case measures 14.3 mm thick, with a lug width of 21.5 mm. A sapphire crystal covers the sunburst blue dial, which carries a date window and central seconds. The unidirectional rotating bezel allows for timing elapsed dives. Inside is the self-winding calibre 1315, with a power reserve of 120 hours. The watch is fitted to a sail-canvas strap secured with a pin buckle. Blancpain rates the case to 300 metres.