Classique “Grande Complication” wristwatch in 18-carat rose gold, with twin rotating tourbillons. Two independent tourbillons affixed by a bridge to a centre plate completing a rotation in 12 hours. Balance springs with Breguet overcoil. Manually engraved hand-wound movement. Silvered gold chapter ring. Centre plate hand-engraved on a rose engine. Sapphire caseback. Water-resistant to 3 bar ( 30 m ). Diameter : 44 mm. Also in platinum.