Movement: original tourbillon movement Dial thickness: 11mm Dial diameter: 42.5mm Watchband material: steel/belt Dial features: high quality blue sandstone Frequency: 21600Hz/Hr Travel time: about 55 hours (manual chain) Travel time error: daily travel time error plus or minus ten seconds Watchcase material: Stainless steel Strap material: Fine steel and top layer of cowhide Waterproof: 50m life waterproof The mirror : Synthetic sapphire
