Watch Specification Movement: Japan NH35 automatic, 41 hours of energy storage. Case material: 316L stainless steel with Polished and Lassa craft Case back: 316L stainless steel Bezel: 120 click unidirect rotational ceramic bezel Watch mirror: pot cover sapphire sapphire crystal with AR coating Water resistance: 200 m / 20 ATM Luminous: Swiss retro high-brightness light powder, yellow-green light Surface color: black fire pattern Crown: Screwdown Crown Case back: screw-in solid bottom cover Watch Dimension Case diameter: 40mm ( without crown) Case length: 46mm (lug to lug) Case thickness: 12mm Lug width: 20mm Shipping Information Ship from China warehouse Guaranteed safe + secure checkout