Case material: Steel; Charge: Automatic; Conditions: Used Year : 1971; Presentation condition : With dealer guarantee ; Price on request Gmtbroker Reference: nessuna GMT Master vintage 1675 Tritium dial - Full steel, Oyster bracelet, black patina bidirectional bezel, black "Swiss T < 25" with orange patina indexes dial, ronded crown protection, big red GMT hand, 4 central patina hands date, automatique certified chronometer movement (COSC) 1565 caliber.