Ratio Freediver Helium Safe 1000m Sapphire Quartz 1038ef102v Men's Watch

Features: stainless steel case pu strap quartz movement caliber: seiko vx4e sapphire crystal black dial with logo "ratio" analog display helium valve luminous hands and markers date display screw down crown engraved caseback (with image of a free diver) buckle clasp 1000m water resistance approximate case diameter: 45mm approximate case thickness: 12mm