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Seiko 7s26-02j0 running very slow after being left idle for several years

  • 17-12-2019 11:41am
    #1
    Del2005
    Registered Users, Registered Users 2 Posts: 19,102 ✭✭✭✭


    I've a Seiko 7s26-02j0 watch that I left on my window sill a few years ago. This morning I decided to see if it still works and it is loosing about 5 minutes in an hour. I'm assuming it didn't like being left in the sun for a few years and has got stiff, will it free itself up with a bit of wearing or do I need to get it looked at? How much will it cost?


Comments

  • #2
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Wear it for a few days (in spite of the inaccuracy) and see what happens.


  • #3
    Del2005
    Registered Users, Registered Users 2 Posts: 19,102 ✭✭✭✭Del2005


    [Deleted User] wrote: »
    Wear it for a few days (in spite of the inaccuracy) and see what happens.

    Should I fix the time regularly or just leave it run for the few days?


  • #4
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    Del2005 wrote: »
    Should I fix the time regularly or just leave it run for the few days?
    I would set the time once per day so you can guage how much time it is losing. It will give you a better feel for the issue, whether it is intermittent etc.

    I will leave someone else to suggest a repair service and potential cost but an entire replacement 7s26 movement costs less than €50.


  • #5
    fourmations
    Registered Users, Registered Users 2 Posts: 1,377 ✭✭✭fourmations


    Deleted User wrote: »
    I would set the time once per day so you can guage how much time it is losing. It will give you a better feel for the issue, whether it is intermittent etc.

    I will leave someone else to suggest a repair service and potential cost but an entire replacement 7s26 movement costs less than €50.

    hi, piggybacking here...where can you get the full movement for that price? thanks


  • #6
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    fourmations wrote: »
    hi, piggybacking here...where can you get the full movement for that price? thanks
    Just google around, there's no shortage of parts websites, ones on ebay, aliexpress etc.

    https://perrinwatchparts.com/collections/seiko-watch-movements
    https://www.esslinger.com/seiko-watch-movements-original/


    A watchmaker will have his own sources. There are variously-named movements which are drop-in replacement for 7s26, and others which are almost drop-in replacement. If you know what you're doing you can upgrade to a hacking/handwind so two birds with one stone.


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  • #7
    saccades
    Registered Users, Registered Users 2 Posts: 1,274 ✭✭✭saccades


    ...

    Seikos like being used constantly, fingers crossed the oils haven't dried up.

    Rather than pay for a costly service, it's cheaper to get the 7s26 movement replaced.

    Personally I would recommend the more recent version of the 7s26, plus I would recommend the non-seiko branded version, the nh36. The nh36 is for use in non Seiko branded watches so is cheaper than the one with Seiko on the rotor..

    [Deleted User] wrote: »
    Just google around, there's no shortage of parts websites, ones on ebay, aliexpress etc.

    https://perrinwatchparts.com/collections/seiko-watch-movements
    https://www.esslinger.com/seiko-watch-movements-original/


    A watchmaker will have his own sources. There are variously-named movements which are drop-in replacement for 7s26, and others which are almost drop-in replacement. If you know what you're doing you can upgrade to a hacking/handwind so two birds with one stone.


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