Héritage “Grande Complication” wristwatch in 18-carat rose gold, with tourbillon. Curved tonneau shaped case. Hand-wound movement, engraved by hand. Small seconds on the tourbillon shaft. Compensating balance spring with Breguet overcoil. Silvered gold dial, hand-engraved on a rose engine. Partial sapphire caseback. Water-resistant to 3 bar ( 30 m ). Also in platinum 950. Available on rose gold bracelet. Dimensions : 42 x 35 mm.