Blancpain Bathyscaphe Chronographe Flyback

Blancpain's Bathyscaphe Chronographe Flyback, reference 5200 3640 NAOA, is a chronograph with a 43 mm case in red gold. The case measures 14.9 mm thick and the lugs take a 23 mm strap. A sapphire crystal covers the sunburst blue dial, which carries a date window and small seconds subdial. The self-winding calibre F385 drives the watch and offers 50 hours of power reserve, with a flyback function that resets and restarts the chronograph in one motion. Blancpain fits the case to a NATO textile strap closed with a pin buckle. The case holds a 300 metre water resistance rating.