Brand Rolex Model (Watch) GMT-Master Reference number 1675 Automatic winding Case material Steel Strap material Steel Year of manufacture 1968 Condition Used (Excellent) The item shows signs of slight wear, such as light scratches, but not perceptible to the touch. Internal overhaul Original papers, no box Winding Automatic Case Case Material Steel Diameter 40 mm Bezel Material Steel Glass Plexiglas One year shop warranty