Watch Specification Brand: Watchdives Movement: Japan NH36 automatic Case material: PVD coated 316L stainless steel Case back: 316L stainless steel Bezel: 120 clicks unidirect rotational mineral glass bezel Watch mirror: sapphire crystal with AR coating. Water resistance: 300m / 30 ATM Luminous: Swiss C3 green and BGW9 blue super luminous. Crown: Screwdown Crown Case back: Screwback Case Watch Dimension Case diameter: 47.5mm ( without crown) Case length: 44mm (lug to lug) Case thickness: 15mm Lug width: 22mm Our service Warranty: 3 years Returns policy: Please check the website“Return / Exchange / Warranty Policy” Style: automatic watch, dive watch, luxury watch Service: Support retail, wholesale. OEM/ODM. Please contact the seller if necessary.