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Epson SOLAR Series Specification And Drawing page 3

Watch movement
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Cal.
VS75B
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. Eliminating 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. You 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. Running time
Expected running time from full charge to stoppage will be around 6 months.
5. Power depletion warning function
The two-second intervals movement of the second hand is a signal of energy depletion.
The watch continuous running time after two-second intervals movement is approximately 1 week.
6. Over 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.
7. Structure of the separated parts
Features
Date :
31/Jan./'18
Rev. : 00
Untransparent plate
Solar cell unit
Solar cell
Dial support ring
Solar cell lead terminal
Movement
Hand setting stem
Secondary battery unit
P. 1

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