SEIKO Prospex Speedtimer 1/100 Second Solar Chronograph SFJ001 SEIKOLUX comfortable fit

comfortable fit

Since its earliest days

This extraordinary timepiece

Its power reserve of up to 80 hours is combined with a hairspring in Nivachron™ – a revolutionary material offering formidable precision

SEIKO Prospex Speedtimer 1/100 Second Solar Chronograph SFJ001 SEIKOLUX comfortable fitProspex Speedtimer 1 100 Second Solar ChronographInspired by Seiko's and the worlds first analog quartz chronograph, which featured a 1 100 second stopwatchFeatures the new solar chronograph 8A50 movement, with precision stopwatch timing to 1 100 second, measurement up to 60 minutes of elapsed time, and a split time functionPowered by light energy no battery change required6 month power reserve once fully chargedWhite dial with four inset black