Tradition GMT watch in 18-carat gold. Anthracite Manual winding movement. Second time-zone indicator. Day/night indicator. Off-centred local time subdial in silvered gold, hand-engraved on a rose engine. Black off-centred reference time subdial in gold, hand-engraved on a rose engine. Power reserve indicator on the back of the movement. Silicon Breguet balance-spring. Sapphire crystal caseback.