Watch Specification
Brand: STEELFLIER
Model:  SF741S
Movement: Japan VH31 quartz movement
battery: SR920SW
Case back: Cusn8 bronze case
Case material: 316L stainless steel
Watch mirror: sapphire crystal with AR coating.
Water resistance: 200 m / 20 ATM
Luminous: Swiss C3 green Super Luminous 
Crown: Screw-Down
Case back: Screwback Case
Watch Dimension
Case diameter: 39mm(without crown)
Case length: 49mm(lug to lug)
Case thickness: 12.3mm 
Lug width: 20mm 
Our service
Warranty:  1 years 
Returns and Refund: 30 days return & refund service
Package: watch, warranty card, user manual, plastic protecting box
Style: men’s mechanical watch, men’s automatic watch, dive watch, luxury watch