Classique “Grande Complication” openworked wristwatch platinum, with tourbillon.Hand-wound Movement with perpetual calendar showing the day, retrograde date, mounth and leap year. Chapter ring with Roman numerals on a sapphire disc. Running seconds on the tourbillon shaft. Compensating balance spring with Breguet overcoil. Silvered gold dial, hand-engraved on a rose engine. Sapphire caseback. Water-resistant to 3 bar ( 30 m ). Diameter : 41 mm.
