Overview
These ‘Black Bay’ inspired watches hark back to the classic military watches of the late 1950s. The watch has a screw-down crown, but the absence of crown guards gives the watch a sleeker, more elegant, vintage feel.
Watch Specification
Model: SD1958
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: 200 m / 20 ATM
Luminous: Swiss BGW9 blue super luminous.
Crown: Screw-Down
Case back: Screwback Case
Watch Dimension
Case diameter: 41.1mm(without crown)
Case length: 49.7mm(lug to lug)
Case thickness: 14.85mm 
Lug width: 22mm 
Our service
Warranty: 2 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