Reference 400-MAT44WL.NA Ocean Tourbillon | A limited edition white gold automatic tourbillon wristwatch, Circa 2008 Dial: anthracite Caliber: automatic, 34 jewels Case: 18k white gold, sapphire display case back secured by eight screws Case number: 029’857, 12/80 Closure: 18k white gold Harry Winston buckle Size: 44 mm diameter Signed: case, dial and movement Box: yes Papers: yes Accessories: Harry Winston presentation box with outer packaging, International Warranty booklet dated March 31st, 2008, and booklet