Type : Master Carbon SEAL Automatic Origin : Swiss Made Glow In The Dark : Always Visible Constant Glow For Up To 25 Years Size Of Case (Diameter) : 45 mm Function : Time Date Water Resistance (atm) : 20 Movement : Swiss Automatic Case Material : CARBONOX™+ Bezel : Uni-Directional Rotating Case Back : 316L Stainless Steel Screw In Crystal Glass Material : Sapphire Crystal, Anti-Reflective Coating Strap / Bracelet Type : Genuine Rubber Crown : Screw In, Double Security Gasket, Crown Protected Lug Width : 24 mm Case Height : 14 mm Weight : 110 g Warranty : 2 Years Warranty Extension : 1 Year