The Blancpain Fifty Fathoms Bathyscaphe Quantième Complet Phases De Lune watch is powered by an automatic movement within a 43mm steel case with a rotating sapphire bezel. The gray dial showcases a moon phase complication in addition to a complete calendar including a date display, day of the week display, and month display. It is protected by sapphire crystal. The black canvas strap is secured by a pin buckle. Water resistant to 300 meters.