SEIKO Prospex Speedtimer 1/100 Second Solar Chronograph SFJ001 SEIKOLUX Rugged and reliable

Rugged and reliable

This extraordinary timepiece

and includes a curved anti-reflective sapphire crystal

Special EditionDesigned for rugged activities

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 Rugged and reliableProspex 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