Swiss Rolex Oyster Perpetual Day-Date Blue Dial Mens Watch - Swiss Rolex Oyster Perpetual Day-Date Blue Dial Mens WatchMovement: Swiss ETA 2836-2 automatic movementCase Material: Solid stainless steel, screw in crown and case backCase Diameter: 36.5 mmCase Thickness: 12.5 mmCase Back: Solid 316L stainless steelWeight: The same as Original Rolex Oyster Perpetual Day-DateDial Style: Blue dial, diamonds numeral markersBezel: Diamond