Watch Specification
Model: SD1972
Movement: Japan NH36 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: 200 m / 20 ATM
Luminous: Swiss C3 green and BGW9 blue super luminous.
Crown: Screwdown Crown
Case back: Screwback Case
Clasp: V2 6 hole micro adjustment milled clasp
Watch Dimension
Case diameter: 45mm ( without crown)
Case length: 47.7mm (lug to lug)
Case thickness: 13.3mm 
Lug width: 22mm