WARRANTY: 2 years international warranty WATER RESISTANCE: 10 ATM (100 meters / 330ft). MOVEMENT: Automatic movement | Seiko NH35 Japan Made; CASE: Stainless Steel solid 316L with "OOO® exclusive aging process" with aluminum OOO® hand-brushed bi-directional turning bezel; Case Diameter (mm) : 40 Case Thickness (mm) : 14 Lug to Lug (mm) : 44.5 BEZEL: bi-directional shock-resistant blue aluminium topring with printed numbers; DIAL: Blue sandblasted and sunburnt finished double-layer matt dial with C3 Superluminova® hands, engraved and applied indexes, double printed logo and specs; GLASS: flat anti-reflective sapphire crystal with magnifier at hrs 3; CASEBACK: 316L Stainless Steel screw IP Gun caseback with window and blue printed logo and specs; CROWN: Stainless Steel IP Gun screw crown; BRACELET: Solid 316L Stainless Steel with "OOO® exclusive aging process" with OOO logo on the bracelet's clasp; INNER RING: a very important communication; Technical specifications Water resistance: 10 ATM Movement: Seiko NH35 Japan Made Case material: Stainless Steel Crystal: sapphire crystal