Brand Rolex Model (Watch) GMT-Master II Reference number 16760 Fat lady Charge Automatic Case material Steel Strap material Steel Year of manufacture 1987/88 Condition Very good (second-hand, no or barely visible signs of wear) Original papers supplied, no box Winding Automatic Case Case Material Steel Diameter 40 mm Water-resistant 10 ATM Bezel material Steel Glass Sapphire crystal Dial Black Numerals on dial No numerals Strap Material Steel Strap colour Steel Clasp Material Steel Functions Date, GMT