Model : Polished Stainless Steel Casework, Black Dial, Sticks markers, Superlume Hour Markers and Needles, on Leather Strap with Insignia BuckleMovement: Japanese Miyota 9100 Automatic movement, Gold insignia on Rotor, with Sun-Moon Phased /24 Hours Counter, Modified with Patek Original Calibre Bridges Functions: Hours, Minutes, Seconds, Date (12.00 Window), 24hrs abd Sun Moon Day Phased at 6.00 Subdial Dimensions : Dia 39,5mm x 11.5mm Thk Material : 1 piece forged case construction, solid 316 stainless steel , Back : Display Caseback with Serial Engravings on Case Rims Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal front and back Water-resistant