Brand: Watchdives Model: WD007 Movement: Japan NH35 automatic movement, 41 hours of energy storage. Case material: Grade 2 titanium +anti-fingerprint coating+hardened coating Case back: Grade 2 titanium Bezel: 120 Clicks unidirect rotational bezel Bezel insert: vintage black: aluminum bezel insert White: matte ceramic bezel insert Watch mirror: domed sapphire crystal with clear AR coating. Water resistance: Actual test:100 meters, designed for 200m Luminous: Swiss C3 green super luminous for black dial. Swiss BGW9 blue super luminous for white dial. Crown: Screw-Down+Genuine Helium escape valve crown Case back: Screwback Case Band: nylon band or stainless steel mesh bracelet.