Blancpain Bathyscaphe Quantième Complet Phases de Lune

Blancpain's Bathyscaphe Quantième Complet Phases de Lune, reference 5054 3640 O52B, comes in a 43 mm red gold case. The case measures 13.4 mm thick, with a lug width of 23 mm. A sapphire crystal covers the sunburst blue dial, which is set with graduated colouring across its surface. Self-winding calibre 6654.P.4 drives the watch, with 72 hours of power reserve. The complete calendar shows date, weekday and month, and a moon phase display sits alongside a central seconds hand. A sail-canvas textile strap closes on a folding clasp. The case carries a 300 metre water resistance rating.