SFJ003 PROSPEX SPEEDTIMER   Solar DiverPowered by light energy-no battery change required6-month power reserve once fully charged Overcharge prevention function Chronograph up to 60 minutes in 1/100 second increments Stainless steel Case Thickness:12.9mm Diameter:42.0mm Lug-to-lug:48.3mm Curved sapphire crystal Anti-reflective coating on inner surface LumiBrite on...