Watch Specification:Model: Octopus Oct-10Movement: PT5000 automatic movementCase material: titanium grade 2Case back: titanium Glass: sapphire Crystal with blue AR CoatingBezel: 120 click ceramic bezel insert ( fully with luminous)Strap Material: titanium braceletLuminous: Swiss BGW9 blue Super LuminousClasp: 4 hole adjustable titanium clasp, With Octopus LogoCrown: Screw-in LockWaterproof: 200m / 20 ATMWatch Dimension:Case diameter: 39mm (without crown)Case length: 46mm( lug to lug)Case thickness: 11.5mm ( including glass)Lug width 20mmweight: about 100gOur ServiceWarranty: 3 years Returns policy: Please check the website“Return / Exchange / Warranty Policy” Style: automatic watch, dive watch, luxury watch Package: watch, box, warranty card, user manual