BONEST GATTI Tourbillon K9 Crystal Transparent Case Tonneau watch Skeleton Movement Watch Fluororubber Strap BG7001

Model No: BG-7001
Diameter: 45×53MM (not include crown)
Movement:  Automatic Tourbillon Movement
Crystal: K9 Crystal
Case: K9 Crystal（High Transparent Glass）
Strap: Fluororubber
Strap Width: 27×22mm
Buckle: 316L Pin Buckle
Mirror: Synthetic Sapphire
Waterproof: 5ATM