Watch Specification
Model: SD1993
Movement: Japan NH34 GMT automatic movemet,
Case material: 316L stainless steel
Case back: 316L stainless steel
Bracelet: 316L stainless steel
Bezel: bi-direction rotational ceramic bezel  
Watch mirror: sapphire crystal with AR coating.
Water resistance: 300 m / 30 ATM
Luminous: Swiss BGW9 super luminous, blue night light.
Crown: Screw-Down
Case back: Screwback Case
Clasp: 6 micro adjustment milled clasp
Watch Dimension
Case diameter: 41mm(without crown)
Case length: 48mm(lug to lug)
Case thickness: 13.5mm 
Lug width: 20mm
Our service
Warranty: 3 years 
Returns and Refund: 30 days return & refund service
Style: men’s mechanical watch, men’s automatic watch, dive watch, luxury watch