Collection: Fifty FathomsCase Material: SteelCase Diameter: 43 mmCase Thickness: 13.3 mmWidth Between Horns: 23 mmBezel: Unidirectional sapphire bezelDial: Dark GreyStrap: Black Sail-canvas fabric with pin buckleWinding: Automatic; Calibre 6654.P.4Power Reserve: 72 hoursWater Resistance: 30 barComplete Calendar.??This practical complication indicates the date, day of the weeks and the month. The changing face of the moon reproduced on the dial adds a poetic note.Moon phases.??The reproduction of the lunar cycles on the dials of Blancpain complete calendar watches evokes the time-honored ties between watchmaking and astronomy.??Also available in a black NATO fabric strap (5054 1110 NABA).