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daff62
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Posts : 1352
Join date : 2016-09-26

Pulsar V103

on Wed Jan 25 2017, 15:44
While I have been trying to de-clutter this month, with mixed success, I have come across a number of watches.

This one is the Pulsar V103 which Seiko introduced in 1984.

" />

and was solar powered with ten minutes of sunlight apparently being sufficient to work ten days.

The movement is a V103A

" />

and the power is stored in a capacitor

" />

I have left the watch in sunlight and the second hand occasionally advances but I think it's safe to say the capacitor....

" />

....has had its day. Sad

Possibly a replacement could be sourced as beyond it being a smart looking watch ..

" />

.....it also has its place as part of the evolution of technology used in watches.  Very Happy
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domecurb
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Re: Pulsar V103

on Wed Jan 25 2017, 16:30
unfortunatly that cell is no longer available, the closest you will get size wise is this
http://www.ebay.co.uk/itm/Panasonic-MT920-Capacitor-Citizen-Ecodrive-7810-7811-7812-7815-7817-7810A-7817A/151702428662?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D38661%26meid%3D007721b6ce854c48b6ea2fa6ea779ae1%26pid%3D100005%26rk%3D4%26rkt%3D6%26sd%3D172485070093
it is a higher voltage, but it should stabilize to the correct lower voltage, however looking at you pics the old capacitor appears to have "gassed out"  so really the movement needs stripped to see what the damage is before forking out £20 for a battery
if you look at this picture

the screw to the left and nearest the stem has signs of corrosion Crying or Very sad
a nice watch though and rare too
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SeikoJohn
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Re: Pulsar V103

on Wed Jan 25 2017, 16:42
That really is a very nice watch I hope you manage to bring it back to life

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“A man with one watch knows what time it is; a man with two watches is never quite sure.” - Lee Segall
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daff62
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Re: Pulsar V103

on Wed Jan 25 2017, 18:29
domecurb wrote:unfortunatly that cell is no longer available, the closest you will get size wise is this
http://www.ebay.co.uk/itm/Panasonic-MT920-Capacitor-Citizen-Ecodrive-7810-7811-7812-7815-7817-7810A-7817A/151702428662?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D2%26asc%3D38661%26meid%3D007721b6ce854c48b6ea2fa6ea779ae1%26pid%3D100005%26rk%3D4%26rkt%3D6%26sd%3D172485070093
it is a higher voltage, but it should stabilize to the correct lower voltage, however looking at you pics the old capacitor appears to have "gassed out"  so really the movement needs stripped to see what the damage is before forking out £20 for a battery
if you look at this picture

the screw to the left and nearest the stem has signs of corrosion Crying or Very sad
a nice watch though and rare too

Thanks Bruce, that is very helpful.

As the second hand sometimes advances I had hoped that was indicative that the mechanics were ok and the failing was more likely with the power source.

I will do some shopping around for the capacitor code you provided. It may be worth the gamble to see if the watch will start working again. Very Happy

you will need to check the battery dimensions first....i think they are the same, but you will need to double check
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