Blancpain Fifty Fathoms Automatique

Blancpain's Fifty Fathoms Automatique, reference 5010 3630 NABA, 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 central seconds hand and a date window. Inside is the self-winding calibre 1315, with a power reserve of 120 hours. The watch is fitted on a textile NATO strap secured with a pin buckle. Blancpain rates the case to 300 metres, in keeping with the model's standing as a dive watch.