The Harry Winston Ocean Tourbillon Men's Watch 400.MAT44WL.NA has a Swiss made automatic Tourbillon movement with an offset hours and minutes display at 12 o'clock and a black dial decorated with the famous "Cotes de Geneve", the Ocean Tourbillon is a subtle lend of sport and high-tech. The 44mm case is made of 18 carat white gold. The strap is black leather.