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Discussion Starter #1
Being a fan of the unusual and quirky, I couldn't resist putting a bid on this non working Talis electronic watch.




(Contrary to popular belief, that is not a battery hatch on the back, it is just an indicator wheel that you set to show what month the battery was changed.....)

And was pleasantly surprised when I won it for just over £12:cool:


When it arrived I opened it up and tried a new battery and surprise surprise it didn't run.....:(
It has an ESA 9158 Swissonic movement like this one...


I traced the battery volts up to the transistor and while nothing seemed to be shorted out it was not pulsing. I tripped the output with the meter probe and was rewarded with a swing of the balance wheel:D. At this point I was contemplating trying to replace the electronic components with new parts then I stumbled across someone on eBay, in the Netherlands offering new old stock circuit blocks for £10 so quickly ordered one.


Well it came today and I quickly swapped it over with the old circuit.
Voila a very nice 45 year old working electronic watch (shown here with the defunct circuit)


Just got to get a suitable bracelet for it now, am leaning towards a stainless mesh one like this....


 

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Finding some nos movement (parts) can be a real joy. Had the same thing happening with a japan movement for my dads watch. I think I ordered it also in the Netherlands. Your Talis looks really good, enjoy.
 

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Finding some nos movement (parts) can be a real joy. Had the same thing happening with a japan movement for my dads watch. I think I ordered it also in the Netherlands. Your Talis looks really good, enjoy.
Cheers Phil, this the fourth, working, electronic 'missing link' watch that I have. I have two Citizen Cosmotrons .....
This is the nicest....



And a Seiko 3303....


I do have a fifth 'in the post', this time an early Timex one.....


I see a pattern developing here......:eek:
 

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Cool watch John, definitely a great example of the funky 70's. Even cooler that you were able to source parts to get it running.
 

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Cool watch John, definitely a great example of the funky 70's. Even cooler that you were able to source parts to get it running.
Cheers Jerry, these early 'electronic' watches intrigue me. Avia did there own version of the Talis watch (though I can't find an example of theirs with day and date, they all appear to be fitted with the ESA9154 movement that is date only), sort of like the 'badge engineering' we see in the automotive industry today.



It would seem that a lot of the Swiss watch making industry were attempting to keep afloat with 'modern affordable watches', hoping that the quartz revolution would die out (quartz watches were still very expensive in the early 1970's)

In contrast the Timex, that I have incoming, is from around 1965, and has a West German movement, so pre-dates quartz and the Citizen Cosmotrons are from around 1969 so were in parallel development with quartz, sort of like the VHS v Betamax scenario.....
 

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Interesting little watch and movements John thanks for posting about it. Love that 3303 aswell.
Cheers Guy, the stainless mesh bracelet arrived yesterday and I wasted no time in fitting it and wore the watch for the rest of the day,



rapidly becoming a favourite, getting to like the 'Tigers Eye ' dial:cool:.......
As can be seen from the picture this is no small watch, being about 40mm square, with 20mm lug gap....
 

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nice pick-up John and congrats on scoring a new circuit block. Gotta love it when a plan comes together.
 
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