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Date : 

1.Solar-powered watch

2. 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

7. Structure of the separated parts

If the secondary battery is charged more than predetermined voltage, over charge prevent function is
operated to prevent the secondary battery deterioration and breakage.

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.

Cal.

VS75B

Features

31/Jan./'18

Rev. :  00

Unlike conventional quartz watches, this watch does not use a silver oxide battery, thus eliminating the
need for battery replacement.

Solar cell unit

Solar cell lead terminal

Movement

Hand setting stem

Solar cell
Dial support ring

Secondary battery unit

Untransparent plate

P. 1

Содержание Cal. VS75B

Страница 1: ...Watch Movement Specification and Drawing SOLAR SERIES Cal VS75B Movement Size Casing Diameter Height Running Time 12 Ø 27 0mm 4 40mm Approx 6 months ...

Страница 2: ... Features 00 1 Specifications 00 2 Appearance 00 3 Casing 00 4 Hand fitting 01 5 Hand setting stem 00 6 Dial 00 7 Solar cell unit 00 8 Attention 01 01 9 01 Attention 02 01 9 02 Attention 03 01 9 03 Operation 01 00 10 01 Operation 02 00 10 02 ...

Страница 3: ...ls movement is approximately 1 week 6 Over charge prevent function is equipped 7 Structure of the separated parts If the secondary battery is charged more than predetermined voltage over charge prevent function is operated to prevent the secondary battery deterioration and breakage This watch is a solar powered watch containing a solar cell underneath the dial to convert any form of light into ele...

Страница 4: ...rates Operation stopping voltage 1 0V Solar cell type Amorphous silicon solar cell Maximum unbalance of hands Small second hand 0 03μN m Minute chronograph hand 0 03μN m 24 huor hand 0 03μN m 1 5 second chronograph hand 0 09μN m Minute hand 0 70μN m Moment of inertia 1 5 second chronograph hand less than 0 12μg m 5 SECONDARY BATTERY Type Titanium lithium ion secondary battery Size φ9 5 t 2 05 mm C...

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Страница 11: ... be connected to Guide pole Refer to the Fig 1 in below 5 To do system reset Sun light 2 5 1 Cal VS75B Attention 01 24 Sep 19 Rev 01 B Approx Hours A fluorescent lamp 35 8 When installing or changing the secondary battery unit it is recommended to remove three secondary battery clamp screws first then remove the secondary battery clamp not to damage the movement parts If you install the secondary ...

Страница 12: ...to prevent rotation of the movement inside of the case in order to stabilize the button operation Refer to the Solar cell unit page instruction as to the shape and tolerance Each hand moves at step interval Set the each hand at correct position according to the scale on the dial in order not to make a mistake in reading time When charging the watch do not place it too close to fluorescent lamp or ...

Страница 13: ...watch System reset Refer to Operation 01 1 is required in case of below after replacement of secondary battery unit malfunction or abnormal operation when an error occurs Cal VS75B Attention 03 24 Sep 19 Rev 01 It is necessary to set the 0 position after system reset because 0 position of small hands may slip off P 9 03 ...

Страница 14: ...crown back to normal position System reset Pull crown out to the 2nd click position Press 2H and 4H buttons at the same time for longer than 2 seconds It is necessary to set the 0 position after system reset Cal Operation 01 31 Jan 18 Rev 00 VS75B Press 2H button for 2 seconds here will allow you to resume the procedure again as indicated by the arrow if necessary Minute chronograph hand turns a f...

Страница 15: ...nt Split time measurement Cal Operation 02 31 Jan 18 Rev 00 VS75B Start Stop Reset Restart and stop of the chronograph can be repeated by pressing 2H button 2H button 2H button 4H button Start Stop Restart 2H button 2H button 2H button 2H button 4H button Start Split Split release 2H button 4H button 4H button 2H button 4H button Stop Reset Reset Stop Measurement and release of sprit time can be r...

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