Blancpain Fifty Fathoms 70th Anniversary Act 1 Series II

Blancpain's Fifty Fathoms 70th Anniversary Act 1 Series II, reference 5010B 1130 NABA, is a dive watch with a 42.3 mm steel case. The case measures 14.3 mm thick, with a lug width of 21.5 mm. A sapphire crystal covers the sunburst black dial, which carries central seconds and a date display. The unidirectional rotating bezel allows dive time to be tracked at a glance. Self-winding calibre 1315 runs inside, with a power reserve of 120 hours. The watch is fitted to a NATO-style textile strap secured with a pin buckle. Water resistance is rated to 300 metres.