Epson Solar Series Watch Movement Specification And Drawing page 19

Cal.
VS15A
1. How to remove the setting stem
When removing the setting stem, put the setting stem at normal position and push the ''setting lever''
by tweezers.
The ''setting lever'' can not be push if the setting stem is not at normal position.
When removing the setting stem, pay attention not to break or not to cut off the circuit block.
Please do not transform the earth spring.
Earth spring
2. Attention for solar cell unit
Pay attention not to touch and scratch the surface of the solar cell.
3. Dial transparency rate
Keep the transparency rate of the dial more than 30%.
Each elements of solar cell must be kept the transparency rate.
4. The guideline of charging time is as in below
Illumination
(Lx)
700
3,000
10,000
100,000
5. Attention for the secondary battery unit
Please set the exclusive secondary battery unit.
(The secondary battery is Titanium-lithium-ion battery without any environmentally harmful substances.)
If the silver oxide battery is accidentally set and charged, there is a possibility of batｔery explosion.
To prevent from the battery explosion, it is adopted safety structure not to charge the silver oxide
battery even if it is accidentally set.
6. Caution
When charging the watch, do not place it too close to fluorescent lamp or other light sources as the
watch temperature will become extremely high, causing damage to the parts inside the watch.
Attention-01
Source of light Environment
Inside the office
A fluorescent lamp
Sun light
Fine weather
A
(Approx.
Hours)
－
30W 20cm 40
Cloudy 12
2
Condition A : Time required for full charge
Condition B : Time required for steady operation
Condition C : Time to charge 1 day of power
30/Nov./'17
Date :
Rev. : 02
(Dial transparency rate = 30%)
B
(Approx.
(Approx.
Hours)
Minutes)
40
10
4
0.5
C
50
11
3
1
P. 9-01