Steelflier VH60 Bronze Filed Watch SF746S

Watch Specification
Model: SF746S
Movement type: Sweep second quartz movement
Movement model: VH60
Battery model: SR920SW（2 years)
Case material: Cusn8 bronze case
Case back: 316L stainless steel
Watch mirror: flat sapphire crystal with AR coating.
Water resistance: 200m / 20 ATM
Luminous: Swiss C3 green and BGW9 blue super luminous.
Crown: Screwdown Crown
Case back: Screwback Case
Watch Dimension
Case diameter:39mm ( without crown)
Case length: 49mm (lug to lug)
Case thickness: 12mm 
Lug width: 20mm