Reference 350/MATWL Tourbillon Glissiere | A limited edition skeletonized white gold rectangular tourbillon wristwatch with platinum sliding weights and linear power reserve indication, Circa 2009 Dial: skeletonized Caliber: automatic, 36 jewels Movement number: no. 8 Case: 18k white gold, sapphire crystal display back secured by eight screws Case number: 023'348, no. 02/25 Closure: 18k white gold Harry Winston double folding clasp Size: 49 x 48 mm Signed: case, dial and movement Box: yes Papers: yes Accessories: Harry Winston presentation box, International Warranty October 21, 2009, operating instructions booklet, warranty booklet, and extra spring bars