Thickness is 13mm, lug to lug is 45.3mm, water resistance is 100 meters, the front sapphire is dual domed with a hardened AR treatment, and all of the strap options support a new push-button
falsi montblanc orologi quick change system called "Leica Easy Change." You can choose from a bracelet, a textile strap, or a rubber strap (all three are available in titanium or steel).