Dial Diameter: 41mm 904L Steel Monobloc Middle Case. Screw-in steel back. Screw-down crown with double-lock double water-resistance system. Smooth border. Anti-scratch double anti-reflection sapphire crystal with Cyclops lens dated. Slate grey dial. Green Roman numeral hour markers. Self-winding movement with date at 3 o’clock. About 70 hours of power reserve. 904L Steel Jubilee Five Piece Links. Folding Oysterclasp with easylink 5 mm comfort extension. Water resistant to 100 meters.