Rolex brand Model (Watch) GMT-Master II Reference number 16710 Automatic winding Case Material Steel Strap material Steel Condition Used The article shows slight signs of wear, such as light scratches, but not perceptible to the touch. With original Rolex papers, no box used only for photographs not for sale Automatic winding year 1989 Case Material Steel Diameter 40 mm Water-resistant 10 ATM Bezel material Steel Glass Sapphire crystal Dial Black Numerals on dial Without numerals Strap Strap material Steel Bracelet colour Steel Folding clasp Clasp material Steel Functions Date, GMT