Watch Specification
Model: SD1987S
Movement: Japan NH35 automatic, 41 hours of energy storage. 
Case material: Cusn8 bronze 
Case back: 316L stainless steel
Bezel: 120 Click unidirect rotational ceramic bezel 
Watch mirror: sapphire crystal with AR coating.
Water resistance: 2000 m / 200 ATM
Luminous: Swiss C3 super luminous,  red night light.
Crown: Screw-Down
Case back: Screwback Case
Watch Dimension
Case diameter: 46.5mm(without crown)
Case length: 55mm(lug to lug)
Case thickness: 16.4mm 
Lug width: 24mm
Our service
Warranty: 2 years 
Returns and Refund: 30 days return & refund service
Style: men’s mechanical watch, men’s automatic watch, dive watch, luxury watch