Watch Specification
Model: SF740
Movement type: quartz movement
Movement model: VH31
Battery model:SR920SW
Case material: 316L stainless steel
Case back: 316L stainless steel
Watch mirror: flat sapphire crystal with AR coating.
Water resistance: 200m / 20 ATM
Luminous: Swiss C3 green super luminous.
Crown: Screwdown Crown
Case back: Screwback Case
Clasp： V2 6-hole adjustable milled clasp
Watch Dimension
Case diameter:39mm ( without crown)
Case length: 49mm (lug to lug)
Case thickness: 12mm 
Lug width: 20mm 
Our service
Warranty: 2 years 
Returns policy: 30-day return and refund.
Style: automatic watch, dive watch, luxury watch 
Package: watch, box, warranty card, user manual