Movement type: quartz movement
Movement model: Japan VH31(Sweeping second hands) for SD8103.
Movement features: 3 needles/calendar, Japanese original battery super long battery life of 2 years
Battery model: SR920SW
Case material: 316L stainless steel
Case back: 316L stainless steel
Dial: sunburst black
Watch mirror: flat sapphire crystal with AR coating.
Water resistance: 200m / 20 ATM
Luminous: Swiss C3 green and BGW9 blue super luminous.
Crown: Screwdown Crown
Case back: Screwback Case
Case diameter:39mm ( without crown)
Case length: 49mm (lug to lug)
Case thickness: 12mm
Lug width: 20mm
Warranty: 2 years
Returns policy: 30-day return and refund.
Style: automatic watch, dive watch, luxury watch
Package: watch, box, warranty card, user manual