Stem problem on a 6119c Seiko 5
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  1. #1
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    Question Stem problem on a 6119c Seiko 5

    Hello everyone,

    If this needs to be re-posted elsewhere, please let me know. I thought this would be an appropriate forum since the watch in question is at least 40 years old.

    I've been trying to do some repair work on my Grandfather's Seiko 5. According to family lore, he brought it back to the US from Japan in the early 70s. He certainly wore it as a great deal of the gold finish on the bracelet is well-worn. Seems like when I first obtained it after his death, the crystal had some issues, but it looks more or less ok now. The movement looks to be in good condition.

    The movement inside is a Seiko calibre 6119c automatic day/date, no manual wind. The crystal has to be removed in order to access the movement.

    The problem is that the threaded section of the stem that screws into the crown is slightly too short. If I screw the crown down fully onto the stem, the time set function works, but the quick-set for day and date no longer work. If I loosen the crown far enough to enable the quick-sets to work, the crown is on the stem precariously and threatens to fall off. I would hate to lose it since it's original to the watch. I wonder if the stem got broken at some point, but don't have any way to know for sure.

    It's not the biggest deal since the watch functions otherwise and seems reasonably accurate. But I like for things to work properly when they can, and I would like to put the watch into my wear rotation.

    Is a new or used stem the best way to solve this, or does anyone have any other suggestions?

    Thank you,
    -William

  2. #2
    Member James A's Avatar
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    Re: Stem problem on a 6119c Seiko 5

    Hi,

    Seiko aren't great with parts for vintage. I would source a donor model and use for parts as this watch was your grandfathers and has sentimental value.

    Very RARE Oval Casing 6119 C Seiko 5 Vintage Automatic Winding Men Classic Watch | eBay

    Regards,

  3. #3
    Member Apollonaught's Avatar
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    Re: Stem problem on a 6119c Seiko 5


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    Member Sparcster's Avatar
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    Re: Stem problem on a 6119c Seiko 5

    Hi there,

    got any pics??

    Also, whats the model number? The case back should be stamped with a 8 digit number which starts with the movement cal... should look like this:

    6119-XXXX

    Marc
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  6. #5
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    Re: Stem problem on a 6119c Seiko 5

    It's a 6119-8500.




  7. #6
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    Re: Stem problem on a 6119c Seiko 5

    eBay seller schillachi61 is your man for Seiko. Great service, highly knowledgeable.

    Quote Originally Posted by WilliamT1974 View Post
    >snip

    Is a new or used stem the best way to solve this, or does anyone have any other suggestions?

    Thank you,
    -William
    bobbee likes this.

  8. #7
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    Re: Stem problem on a 6119c Seiko 5

    It appears that he had the proper stem in stock, and I placed an order. Too bad it has to come all the way from the UK.

  9. #8
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    Re: Stem problem on a 6119c Seiko 5

    Is the movement a snug fit in the case? Some play there could be misdiagnosed as a short stem.

    Kind regards

    Aditya

  10. #9
    Member anzac1957's Avatar
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    Re: Stem problem on a 6119c Seiko 5

    OK.. probably not the stem length.. over time there can be a build up of 'gunk' in the crown which then stops it being pushed fully in.. thus the symptoms you are getting.. remove the crown and stem and using a toothpick you should be able to gently remove the build up in the surface that fits onto the crown tube..

    Cheers


    Tony Lewis
    New Zealand

  11. #10
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    Re: Stem problem on a 6119c Seiko 5

    OK, I've given the crown and the area of the case around it a good clean. We'll see what happens. Here's a picture of the crown and stem disassembled.

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