Model : 18K Rose Gold Plated Polished Stainless Steel Casework, Assorted Dials as Shown, Calf Leather Strap with Insignia Tang buckleMovement: Japanese Miyota 9100 Automatic movement, Gold insignia on Rotor, with Calender and Power Reserve Complications Functions: Hours, Minutes, Seconds, Date, Day, Month, Year, 24hrs, Power Reserve Indicator at 12.00 Dimensions : Dia 42mm x 11mm Thk Material : 1 piece forged case construction, solid 316 stainless steel, Thick 18K Rose Gold Plated .. 5 Mils , Back : Display Caseback with Serial Engravings on Case Rims Crown : One-piece Screw down crown with o ring Crystal: Sapphire crystal front Water-resistant