Calidex diver movement issues
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  1. #1
    Member AlaskaJohnboy's Avatar
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    Calidex diver movement issues

    Hey all,

    I found this Calidex mini diver. Its in great shape, perfect for the kids. The band is perfect and original.
    The movement has a custom balance wheel with spiral lugs. It's nice and shiny, never seen moisture.

    Looks great, but it just winds and winds and nothing happens.
    My guess is it was overwound and something broke in the mainspring.
    I would not be averse to taking it apart, it's already broken. What's the worst I could do? break it?

    It's got a Ronda 9013 hand-wind movement. Not exactly easy to source for parts like mainsprings.
    Could it have just slipped the end of the spring?
    Is this movement easy or a pain to work on?
    (Mr. Ranfft's wonderfui site has some mainspring measurements, but they are cryptic at best.)

    Any comments or advice would help. Many of you know more than me.

    Thanks in advance!
    AlaskaJohnboy

    Name:  Calidex Ronda 9013 mvmt-1.jpg
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    And the collection, (Ok She's right- that's a lot of watches. *put eye-roll here*)
    -1971 Timex Marlin, green dial (reborn!), 1970's Timex Auto, 1974 Hamilton Accumatic ORANGE DIAL!
    -Dad's 1953 Bulova President, 1963 gold Accutron, and Grandpa's 1970 Caravelle machinist's watch
    .

    --E-One Bradley, --Evant Tropic Diver, bronze & green, --Urban Chronograph, —Seiko SNK's green & red,—Seiko Alpinist, —Bertucci A-2T (white), —Certina C-Sport Chrono, orange , —Timex 2002 Reefgear, —Omega Dynamic III (circa 2001), —Hamilton Pan Europe, blue, -- Monta Triumph, green dial.

    -1972 Hamilton Pan Europe, -1971 Accutron 219,—Seiko H557 square digital-analog (mine, new in 1984),
    -80's Seiko 6F22 Moonphase, - -70's Timex Electric, —Vostok Signal watch (w/ alarm), -80's Komandirskie (Type 33) -1990 Komandirskie (Type 34) (4 of same!), -Victorinox 1980, —HMT Janata, -1912 Concord Travel Clock/watch (w/engraved dial)


  2. #2
    Vint. Forum Co-Moderator Mirius's Avatar
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    Re: Calidex diver movement issues

    The click doesn’t seem to be engaging in your photo but it’s also in shadow so I can’t see what’s going on there.

    Do you have resistance when you wind? If so does the crown spring back?


  3. #3
    Member AlaskaJohnboy's Avatar
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    Re: Calidex diver movement issues

    Sorry if I was not clear.

    The click works. I watched it. The winding wheels wind and turn properly.
    The watch just winds and winds and winds forever and never starts running.
    That's why I think the mainspring or barrel is borked.

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  5. #4
    Member thoth's Avatar
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    Re: Calidex diver movement issues

    Quote Originally Posted by AlaskaJohnboy View Post
    Sorry if I was not clear.

    The click works. I watched it. The winding wheels wind and turn properly.
    The watch just winds and winds and winds forever and never starts running.
    That's why I think the mainspring or barrel is borked.
    MATERIAL CGI UTILITY

    There are many other mainsprings that will fit this watch. I don't think that it is the barrel but just simply a broken spring at worst. The other possibility is that the spring slipped off of the arbor. A little bit of careful bending to the end could get it to catch properly again and away you go. That would be the best case scenario. Worst case...replace the mainspring with one of the compatible ones listed in the link.
    AlaskaJohnboy likes this.

  6. #5
    Member thoth's Avatar
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    Re: Calidex diver movement issues

    AlaskaJohnboy likes this.

  7. #6
    Member AlaskaJohnboy's Avatar
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    Re: Calidex diver movement issues

    Ohhh Awesome! You all rock!
    Thank you!
    Thank You
    Thank you!

    That's the info I needed.

    So I'll try to set some time aside to take it apart and see.
    Thoth-- You said what I was thinking- maybe the spring slipped and I can bend it.
    (Had to do that on my sno-go pull start when it broke in the Brooks Range a few years ago.)

    Thanks!
    I'll let you know how it goes, when i get time to do it.

    AlaskaJohnboy
    thoth likes this.
    And the collection, (Ok She's right- that's a lot of watches. *put eye-roll here*)
    -1971 Timex Marlin, green dial (reborn!), 1970's Timex Auto, 1974 Hamilton Accumatic ORANGE DIAL!
    -Dad's 1953 Bulova President, 1963 gold Accutron, and Grandpa's 1970 Caravelle machinist's watch
    .

    --E-One Bradley, --Evant Tropic Diver, bronze & green, --Urban Chronograph, —Seiko SNK's green & red,—Seiko Alpinist, —Bertucci A-2T (white), —Certina C-Sport Chrono, orange , —Timex 2002 Reefgear, —Omega Dynamic III (circa 2001), —Hamilton Pan Europe, blue, -- Monta Triumph, green dial.

    -1972 Hamilton Pan Europe, -1971 Accutron 219,—Seiko H557 square digital-analog (mine, new in 1984),
    -80's Seiko 6F22 Moonphase, - -70's Timex Electric, —Vostok Signal watch (w/ alarm), -80's Komandirskie (Type 33) -1990 Komandirskie (Type 34) (4 of same!), -Victorinox 1980, —HMT Janata, -1912 Concord Travel Clock/watch (w/engraved dial)


  8. #7
    Member AlaskaJohnboy's Avatar
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    Re: Calidex diver movement issues

    Ok bringing this thread back to life because I finally got time to attack this project.

    I got the bagel out and......

    It IS a broken mainspring.

    So after a little looking I found a mainspring. Now for the wait...
    I'll keep you up to date how it goes, after it gets here.

    Once it works I'll clean up the case and oil it up a bit.
    (The kids are actually looking forward to using it.)
    Chascomm likes this.

  9. #8
    Member AlaskaJohnboy's Avatar
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    Re: Calidex diver movement issues

    Ok all. Resurrection time.

    I got it! I did it!

    I got the mainspring, a big $7 off fleaBay.

    I opened up the Calidex, took it out of the case.

    I checked and there was no action left in the mainspring, so i set it gently in a movement holder, dial-hands- and all.

    I decided that everything looked sooooo good in there I wasn't gonna take off the balance.
    First I removed the winding wheels and click spring. (Ronda was smart in this design as the spring does not have very much tension it, just enough to do the job, but not enough to fly away very far.) Then the barrel bridge came off.
    Nope, No way yet to squeeze the barrel out. Sooooo

    The train wheel bridge came off the same way, easily. Then tried took out 2 wheels and the barrel squeezed right out, without any pressure on the remaining wheels or pivots.

    Examining the barrel- YES! the center of the spring had broken off.

    SWEET! I found the problem. Now to fix it.

    Name:  Red Calidex mainspring-7.jpg
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    (Now I have previous experience with spring barrels. Albeit it's with a much, MUCH larger, and cut-off-your-fingers- more dangerous one-- the rewind on my 1996 Tundra sno-go.)
    I got the old mainspring out without bird-nesting it.
    Then I took out the new mainspring and compared them.
    The old one was in OK condition, the new one was definitely better shaped.

    Now ho to get it in? Hmmmm Tried a few things.
    Rewound it in the shipping package and tried shrinking it to fit-- no luck.
    Pondered a few other ways and finally went to any mechanic's best friend- YouTube. BINGO- Got a few hints how to hold it to start it in the barrel.
    (And realized that, of course, "There's a tool for that!")

    But without the tool I got it wound up in the barrel. Yeeeee Haw!
    Oops-- forgot the spring pinion. Ok now to hold down the spring, lift up the pinions end, and put the pinion-catch into the spring catch, with only 2 hands!

    but I got it! And now to set the project aside for the night....
    During the night, and a few moves, another wheel fell out, and the setting wheels too (forgot the terms)


    Name:  Red Calidex mainspring-3.jpg
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    The next day I looked at what i had. before putting back together I put drops of 9010 oil in the open jewels. Got all but the balance and 1 of the escapement jewels.

    With a little finesse, some trial and error, and a bit of creative movement i got all the wheels back, teeth meshed and placed without bending or damaging anything. The bridges went back in easily. Click wheels went back on with a little help from "before" pics on the direction of the click spring.

    Recasing the movement I would it up with the back open....

    ***drumroll please***

    AND IT WORKED! it was ticking away strongly!

    I gave it a full wind , put the back on lightly and waited.

    I ran it for a few days, checking the timing and reserve.
    After 2 days it averages +100 sec per day, with a 38 hour power reserve.

    Not back for a hack who's never done it before.

    Now to remove it and clean up the case. The gaskets are all goop.
    If i can find gaskets I'll run it some more and see if I can adjust it a little more accurately. Try to get a bit of oil on the balance jewels.

    Thanks for reading! Hope it gives others hope.
    Alaskajohnboy
    Chascomm and SunnyOrange like this.
    And the collection, (Ok She's right- that's a lot of watches. *put eye-roll here*)
    -1971 Timex Marlin, green dial (reborn!), 1970's Timex Auto, 1974 Hamilton Accumatic ORANGE DIAL!
    -Dad's 1953 Bulova President, 1963 gold Accutron, and Grandpa's 1970 Caravelle machinist's watch
    .

    --E-One Bradley, --Evant Tropic Diver, bronze & green, --Urban Chronograph, —Seiko SNK's green & red,—Seiko Alpinist, —Bertucci A-2T (white), —Certina C-Sport Chrono, orange , —Timex 2002 Reefgear, —Omega Dynamic III (circa 2001), —Hamilton Pan Europe, blue, -- Monta Triumph, green dial.

    -1972 Hamilton Pan Europe, -1971 Accutron 219,—Seiko H557 square digital-analog (mine, new in 1984),
    -80's Seiko 6F22 Moonphase, - -70's Timex Electric, —Vostok Signal watch (w/ alarm), -80's Komandirskie (Type 33) -1990 Komandirskie (Type 34) (4 of same!), -Victorinox 1980, —HMT Janata, -1912 Concord Travel Clock/watch (w/engraved dial)


  10. #9
    Vint. Forum Co-Moderator Mirius's Avatar
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    Calidex diver movement issues

    Well done for giving it a go and getting it running.

    I’m sure there will be all sorts of teeth sucking from the watchmakers amongst us and I will admit to a wince at putting oil into apparently uncleaned jewels but... Now you’ve shown that you have the ability to take them apart and reassemble them you are on the slippery slope to having a go at cleaning and oiling a junker watch.


  11. #10
    Member AlaskaJohnboy's Avatar
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    Re: Calidex diver movement issues

    Yeah. There's that next. I have a Komandirskie that needs it.... so I'll do that one.

    I also have a Timex I am trying to resurrect I may try with too...

    Thanks for the support.

    I'll let y'all know when I get the case cleaned and re-gasketed too!

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