Rolex Oyster Perpetual Day-Date 40mm

Dial diameter: 40 mm, monobloc middle case. Screw-down case back and winding crown. Notched bezel. Screw-down crown. Twinlock double waterproof system. Scratch resistant sapphire crystal. Cyclops lenses are outdated. Water resistant to 100 meters/330 feet. Permanent mechanical self-winding movement. Functions: central hours, minutes and seconds. The window displays the current date. Power reserve: 70 hours.