CARTIER.A FINEAND VERY RARE 18K WHITE GOLD LIMITED EDITION SKELETONISED TOURBILLON WRISTWATCH SIGNED CARTIER, ROTONDE DE CARTIERASTROTOURBILLON SKELETON MODEL, NO. 81/100, CIRCA 2015 Movement: Cal. 9461 MC, manual, 23 jewels, signed Dial: Skeletonised, signed Case: Glazed display back secured by 8 screws, signed With: 18k white gold Cartier deployant clasp