Steeldive Colourful SD1975C Tuna Dive Watch

Watch Specification
Model: SD1975C
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: 300m / 30 ATM
Luminous: Swiss C3 green and BGW9 blue and orangesuper luminous.
Crown: Screwdown Crown
Case back: Screwback Case
Watch Dimension
Case diameter: 47.5mm ( without crown)
Case length: 44mm (lug to lug)
Case thickness: 15mm 
Lug width: 22mm