Blancpain Bathyscaphe

Blancpain's Bathyscaphe 5100 1127 NAVA is a steel case measuring 38 mm across and 10.8 mm thick. The dial is white and sits under a sapphire crystal. Inside is the self-winding calibre 1150, which delivers a power reserve of 100 hours. The watch shows central seconds and a date display. Fitted to the dial and case is a NATO strap in textile, closed with a pin buckle. Lug width measures 20 mm. This Bathyscaphe stays water resistant to 300 metres, a rating well suited to a dive watch of this kind.