Junghans solar - Charging Times for Solar Wristwatches Without Date and Second Hand

2.2.3. Charging times for solar wristwatches with printed/coloured solar cells, without date and second hand
*Take care to protect your watch
against direct sunlight when you
are not wearing it, as the tem-
perature inside the watch may
rise above the permitted
maximum (50° C).
Light
source
Daylight
Daylight
Neon light
Light bulb
Cloudless
sunshine*
Cloudy
40 watts
40 cm distance
40 watts
40 cm distance
40
10
5
1
appr. 6 min.
appr. 20 min.
appr. 40 min.
appr. 3 h
appr 10 min.
appr. 30 min.
appr. 1 h
appr. 5 h
appr. 5 h
Light
intensity
in klx
Charging time
of empty
energy store
until the
second hand
moves in
2-sec.
steps
Charging time
until the
second hand
moves
normally
Charging time
until
energy store
is fully
charged
appr. 20 h
appr. 36 h
appr. 180 h
Ambient
conditions
2.2.2. Charging times for solar wristwatches without date and second hand
*Take care to protect your watch
against direct sunlight when you
are not wearing it, as the tem-
perature inside the watch may
rise above the permitted
maximum (50° C).
Light
source
Daylight
Daylight
Neon light
Light bulb
Cloudless
sunshine*
Cloudy
40 watts
40 cm distance
40 watts
40 cm distance
40
10
5
1
appr. 3 min.
appr. 10 min.
appr. 20 min.
appr. 1,5 h
appr. 5 min.
appr. 15 min.
appr. 30 min.
appr. 2,5 h
appr. 2,5 h
Light
intensity
in klx
Charging time
of empty
energy store
until the
second hand
moves in
2-sec.
steps
Charging time
until the
second hand
moves
normally
Charging time
until
energy store
is fully
charged
appr. 10 h
appr. 18 h
appr. 90 h
Ambient
conditions
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