Advise on servicing 1948 Juvenia Arithmo(inherited)
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  1. #1
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    Hello all,

    I recently was given my Great Grandfather's calculator watch as a gift. Looks to be in fantastic condition. I simply pulled out the crown, and it was back and running again and lasted a good 30 min. Then I realized something... This is an extremely vintage watch that has not seen the light of day in 25 years. So I panicked and set it down to die out. I believe it should get service and relubricated before I wear it and cause irreversible damage. Does anyone have any idea how much it would cost to service this beauty? And anything about it's lineage? Name:  IMG_20190704_085856_110_1562245395993.jpg
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  2. #2
    Member SethThomas's Avatar
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    Re: Advise on servicing 1948 Juvenia Arithmo(inherited)

    Amazing Slide Rule watch! I think the red markers are custom applied, maybe by your great grand.

    Without a good look at the movement, very hard to say. Also depends if you need replacement parts.

    At a good watchmaker, probably $300 - $500 for complete service. If the movement is common, replacement parts will be cheap (if needed).

    Specialty parts is where these get expensive, and you won't know until you have it evaluated.

    Could also have re-lume ($75 - 150) and dial cleaning ($100 - $300) by a specialist.
    Core Collection:
    H. Moser & Cie Venture Small Seconds 2327-0402, Omega Aqua Terra 231.53.39.21.06.002, JLC Reverso Flyback Chrono 255.182, JLC Reverso Grande Taille 270.3.62, Rolex OP 1966 1002, Ulysee Nardin Perpetual GMT 321-22, Longines Conquest 1959, Hamilton Electric Spectra 1957, Citizen AQ 4020–54Y, Bulova Accutron Astronaut

  3. #3
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    Quote Originally Posted by SethThomas View Post
    Amazing Slide Rule watch! I think the red markers are custom applied, maybe by your great grand.

    Without a good look at the movement, very hard to say. Also depends if you need replacement parts.

    At a good watchmaker, probably $300 - $500 for complete service. If the movement is common, replacement parts will be cheap (if needed).

    Specialty parts is where these get expensive, and you won't know until you have it evaluated.

    Could also have re-lume ($75 - 150) and dial cleaning ($100 - $300) by a specialist.
    Thank you so much for that information. I will bring it to a reputable jeweler and get a quote. I actually don't mind the wear on the dial. And it's case is in rather good condition. I'll focus on ensuring a service is done first and see if it's worth it to relume or clean the dial. I'm sure it won't be very accurate but it has that sentimental value that I can't resist at the moment. I was just about to buy a vintage or new Oris sixty five. So this was a pleasant surprise.

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  5. #4
    Moderator at Large stuffler,mike's Avatar
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    Re: Advise on servicing 1948 Juvenia Arithmo(inherited)

    Don‘t know where you live.

    NAWCC and BHI do provide lists of recommended watchmakers in their countries. Don‘t take it to a jeweller or any of those shopping mall „watchmaker“.
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    Quote Originally Posted by stuffler,mike View Post
    Don‘t know where you live.

    NAWCC and BHI do provide lists of recommended watchmakers in their countries. Don‘t take it to a jeweller or any of those shopping mall „watchmaker“.
    I live in New Jersey, I'll have to check it out someone reputable. Only close one is one that I have dealt with before for modification and the work felt rushed. Always left dust or even hair in the dial upon returning to me and the watch was less accurate afterwards.

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    Re: Advise on servicing 1948 Juvenia Arithmo(inherited)

    Quote Originally Posted by dmitrzak1 View Post
    I live in New Jersey, I'll have to check it out someone reputable. Only close one is one that I have dealt with before for modification and the work felt rushed. Always left dust or even hair in the dial upon returning to me and the watch was less accurate afterwards.
    I've used Govberg Jewelers in Philadelphia (could be relatively close to you). Been happy with them, but as a big establishment (with overhead and stuff), you will pay in the higher end.
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    Core Collection:
    H. Moser & Cie Venture Small Seconds 2327-0402, Omega Aqua Terra 231.53.39.21.06.002, JLC Reverso Flyback Chrono 255.182, JLC Reverso Grande Taille 270.3.62, Rolex OP 1966 1002, Ulysee Nardin Perpetual GMT 321-22, Longines Conquest 1959, Hamilton Electric Spectra 1957, Citizen AQ 4020–54Y, Bulova Accutron Astronaut

  8. #7
    Member Nokie's Avatar
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    Re: Advise on servicing 1948 Juvenia Arithmo(inherited)

    Use the internet to find a good, reputable watchmaker in your area. One that has a good bit of positive feedback.
    "Either he's dead or my watch has stopped"
    Groucho Marx

    "The only reason for time is so that everything does not happen at once..."
    Albert Einstein

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    Member Time Exposure's Avatar
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    Re: Advise on servicing 1948 Juvenia Arithmo(inherited)

    Or try American Watchmakers-Clockmakers Institute. They list 19 members in NJ.
    https://members.awci.com/AWCIWEB/AWC...berSearch.aspx
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    Member rfortson's Avatar
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    Re: Advise on servicing 1948 Juvenia Arithmo(inherited)

    Cool watch with a great story! And I agree with all the others, find a qualified watchmaker, one that you can speak to personally about your watch. Have him/her tell you what they are going to do (and not do) along with the price before you let them start working on it. They should be able to show you examples of their other work.

    Unless I have a good, personal recommendation about a place or watchmaker, I never hand it off sight unseen. I want to be able to talk to the person working on my watch.

  11. #10
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    Thoughts? Highley reviewed Horologist recommends that I don't service my vintage watch.

    Hello all,

    I recently inherited a 1950s Juvenia Arithmo. It was passed down to me from my late great grandfather that kept it in lovely condition. He passed more than 25 years ago and it hasn't seen the light of day until now. I was interested in having it serviced regardless of the cost ($300-$500). It is a manual winder and does run. I took it to someone highly recommended who even did work on my families grandfather clock. He told me he would be completely honest and would love to take my money and service it for $300 but that I am better off wearing and and enjoying it until it stops working (then repair) rather than servicing now. What are your thoughts on this approach?
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