Watch Specification
Model: SD1983
Movement: Japan NH35 automatic, 41 hours of energy storage. 
Case material: 316L stainless steel,
Case back: 316L stainless steel
Bezel: 120 click unidirect rotational ceramic bezel
Watch mirror: sapphire crystal with AR coating.
Water resistance: 1000m / 100 ATM
Luminous: SwissBGW9 blue and orange super luminous
Crown: Screwdown Crown
Case back: Screwback Case
Watch Dimension
Case diameter: 49mm ( without crown)
Case length: 52mm (lug to lug)
Case thickness: 17.6mm 
Lug width: 22mm 
Weight: 151g without any bracelet
175g with rubber band and 255g with stainless steel bracelet
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