Brand Rolex Model (Watch) GMT-Master Reference number 1675 Winding Automatic Case Material Steel Strap Material Steel Year of Production 1978 Condition Used (Excellent) The item shows slight signs of wear, such as light scratches, but not perceptible to the touch. Original papers, no box, 1 year shop warranty Automatic Winding Case Case Material Steel Diameter 40 mm Bezel Material Steel Glass Plexiglas One year shop warranty - AUCTION COMMISSION 25%.