Blancpain Bathyscaphe

Blancpain's Bathyscaphe ref. 5000 0240 O52A is a dive watch with a 43.6 mm ceramic case. The case measures 13.8 mm thick, with a lug width of 23 mm. A sapphire crystal covers the sunburst blue dial, which sits under a unidirectional rotating bezel with a blue ceramic insert. The self-winding calibre 1315 drives the watch and stores 120 hours of power reserve. Central seconds and a date function round out the display. The watch is fitted to a sail-canvas strap secured by a pin buckle. Blancpain rates the case to 300 metres.