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Discussion Starter #1
Hi Guys!
I am a very happy owner of a Seiko Grand Quartz 9943-8020 Twin Quartz.
I really appreciate if someone could provide me some information:
  • Characteristics of the movement (number of jewels, original accuracy, etc.)
  • The user manual
  • Which material is it the “HSS” metal of the case
  • What kind of box originally hosted the watch
I am look forward to hearing from you
Best regards
Francesco
 

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Congrats on your high end watch from Seiko quart golden age. Your watch was originally rated at 10s/years which is pretty impressive even for today standards. HSS ( hardened steel ) is more scratch resistant than SS and was only used by Seiko on a few high end watches. I suggest search it in 1978-79 catalogs, if you haven't done it already. And don't forget to add some photos :)
 

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Discussion Starter #4
Thank you very much! Your 9940 is beautiful!
Now some photos of my 9943-8020. I am so happy about it!
I know that at its original price was around 140000 Yen, I would like to know what could correspond in today Euros.
Francesco

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Thank you very much! Your 9940 is beautiful!
Now some photos of my 9943-8020. I am so happy about it!
I know that at its original price was around 140000 Yen, I would like to know what could correspond in today Euros.
Francesco

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Very nice watch Francesco, the 1978 Seiko JDM catalogue shows the price as 100,000 Yen, which when converted to dollars at the 1978 exchange rate, then corrected for inflation to 2020 would be around $2000 so about 1800 Euros? my 1977 single quartz one says hello...
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