Blancpain Fifty Fathoms Automatique

Blancpain's Fifty Fathoms Automatique 5007 3644A B52B is a dive watch with a 38.2 mm case in red gold. The case measures 12 mm thick, with a lug width of 19 mm. A sapphire crystal covers the mother-of-pearl dial, which carries a subtly graduated black gradient. The unidirectional rotating bezel sits at the case edge for dive timing. Inside is the self-winding calibre 1153, offering a power reserve of 100 hours and a central seconds display. The watch is fitted to a sail-canvas strap with a folding clasp. Blancpain rates the case to 300 metres.