[HUBLOT Watches] WWF Hublot Big Bang Series Tattoo Diamond Watch Case: Size 45mm So that that watch strap and the head particle are not easily detached So that that service life of the watch strap is greatly prolong Inner rubber outer skin Comfortable hand-close Buckle: The only quick-release buckle in the industry that synchronizes the original 1: 1 mold opening Buckle material heel foot original Built with titanium Comprehensive: Every accessory of the entire watch is molded from the original 1: 1 Number of molds 26 pieces Process complexity is second in the industry