Watch Specification
Model: SD1984
Movement: Japan NH36 automatic movement
Case material:316L stainless steel
Case back: 316L stainless steel
Bezel: Unidirectional Rotational ceramic bezel  
Watch mirror: sapphire crystal with AR coating.
Water resistance: 200 m / 20 ATM
Luminous: Swiss C3 super luminous, Green light 
Crown: Screw-Down
Case back: Screwback Case
Buckle: Upgraded 6 micro adjustment milled clasp
Watch Dimension
Case diameter: 42mm(without crown)
Case length: 47.5mm(lug to lug)
Case thickness: 13.7mm 
Lug width: 20mm