Lumibrite - Seiko 7B24 Manual

■Lumibrite
IfyourwatchhasLumibrite
Lumibriteisaluminouspaintthatiscompletelyharmlesstohumanbeingsandnaturalenvironment,containingnonoxious
materialssuchasradioactivesubstance.
Lumibriteisanewly-developedluminouspaintthatabsorbsthelightenergyofthesunlightandlightingapparatusinashort
timeandstoresittoemitlightinthedark.
Forexample,ifexposedtoalightofmorethan500luxforapproximately10minutes,LumiBritecanemitlightfor3to5hours.
Pleasenote,however,that,asLumibriteemitsthelightitstores,theluminancelevelofthelightdecreasesgraduallyovertime.
Thedurationoftheemittedlightmayalsodifferslightlydependingonsuchfactorsasthebrightnessoftheplacewherethe
watchisexposedtolightandthedistancefromthelightsourcetothewatch.
Sunlight
Indoor(Window-
sideduring
daytime)
Lightingapparatus
(40-wattdaylight
fluorescentlight)
Condition
Fineweather
Cloudyweather
Fineweather
Cloudyweather
Rainyweather
Distancetothe
watch:1m
Distancetothewatch:3m
Distancetothewatch:4m
Illumination
100,000lux
10,000lux
morethan3,000lux
1,000to3,000lux
lessthan1,000lux
1,000lux
500lux(averageroomluminance)
250lux
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