Classique “Grande Complication” wristwatch in 18-carat yellow gold, with tourbillon. Hand-wound movement, engraved by hand. Power-reserve indicator and 24-hour time display. Running seconds on the tourbillon shaft. Compensatingbalance spring with Breguet overcoil. Silvered gold dial, hand-engraved on a rose engine. Sapphire caseback. Water-resistant to 3 bar ( 30 m ). Also in platinum. Diameter : 39 mm.