Blancpain Fifty Fathoms Grande Date 45mm | 5050-12B30-98The "Fifty Fathom's", its name is derived from the water resistant rating, a Fathom equals 6 feet. Brushed titanium case. Black dial with a fine sunray finish. Applied hour markers with luminous fill. Hands with luminous fill. Uni directional rotating bezel with luminous diving scale and capped with a sapphire crystal. Large double window date displayed at the 6 o'clock position. Blancpain in house caliber 6918B, with a silicon hairspring, beats at