Epson Solar Series Watch Movement Specification And Drawing page 3

Cal.
VS15A
1.Solar-powered watch
This watch is a solar-powered watch containing a solar cell underneath the dial to convert any form of
light into '' electrical energy'' and store the power in a secondary battery.
2. E liminating the need for battery replacement
Unlike conventional quartz watches, this watch does not use a silver oxide battery, thus eliminating the
need for battery replacement.
3. Y ou can use the dial which light transmittance is more than 30%
It is possible to assemble the dial which transmits light on the solar cell.
It enabled to cover the solar cell color, and you can design variety colors of dials.
4. Run ning time
Expected running time from full charge to stoppage will be around 6 months.
5. Ov er charge prevent function is equipped
If the secondary battery is charged more than predetermined voltage, over charge prevent function is
operated to prevent the secondary battery deterioration and breakage.
6. S tructure of the separated parts
Features
Date :
Rev. : 01
Solar cell unit
Casing ring
Solar cell
Solar cell lead terminal
Dial washer
Hour wheel
Movement
Hand setting stem
24/Apr./'15
P. 1