Junghans solar - Charging Times for Solar Wristwatches with Date and Second Hand

2.1.4. Charging times for solar wristwatches with printed/coloured solar cells, 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 Watt
40 cm Abstand
40 Watt
40 cm Abstand
40
10
5
1
appr. 20 min.
appr. 30 min.
appr. 1 h
appr. 4 h
appr. 20 min.
appr. 50 min.
appr. 1,5 h
appr. 7 h
appr. 20 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. 30 h
appr. 48 h
appr. 200 h
Ambient
conditions
2.1.3. Charging times for solar wristwatches with 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. 10 min.
appr. 15 min.
appr. 30 min.
appr. 2 h
appr. 16 min.
appr. 25 min.
appr. 50 min.
appr. 3,5 h
appr. 10 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. 15 h
appr. 24 h
appr. 100 h
Ambient
conditions
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