Citizen Eco-Drive - About signal reception; Types of signal reception

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Charging your watch
H29*
Environment
Illuminance
(lx)
Charging time (approx.)
To work for
one day
To start working
normally when the
cell is discharged
To become fully
charged when the cell
is discharged
Outdoors (sunny)
100,000
2 minutes 2.5 hours 18 hours
Outdoors (cloudy)
10,000
10 minutes 3 hours 70 hours
20 cm (7-7/8
inches) away from a
fluorescent lamp (30 W)
3,000
35 minutes 5 hours 180 hours
Interior lighting
500
3.5 hours 25 hours −