Marine chronograph “Grande Complication” in 18-carat rose gold, with a tourbillon. Hand-wound movement. Balance spring, lever, and escape wheel in silicon. Tourbillon carriage in titanium. Running seconds on the tourbillon shaft. 30-minute and 12-hour totalizers. Black rhodium dial, hand-engraved on a rose engine. Sapphire case back. Water-resistant to 10 bar ( 100 m ). Diameter: 42 mm with 18k rose gold bracelet.