--- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA --- - Page 32
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Thread: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

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  1. #311
    Member NOTSHARP's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Matt_Bored_O asked if I could show :

    How to remove the chrome "skin" from a Vostok crown.

    How I added a little colour to the brass.

    Firstly, If I recall correctly, it was onastar who first mentioned the process, so the credit is due to him entirely.

    That said, this is how I do it.

    Here are the four crowns, commonly available.



    It is the third one from the left that we are dealing with.

    On the right hand one in this pic, you can see that the chrome skin is crimped over the back of the crown.



    It is a five minute job to remove it, using a craft knife, or a scaple, etc.



    I use a pin vice to hold the stem. The crown will still rotate of course, but I find it easier to hold.

    Pinching the crown to prevent it turning, use the blade to score through the plated skin in one of the knurl grooves.



    Depending on how sharp your blade is, six to ten scores with cut through it.



    Repeat the process on the opposite side of the crown. The edge will now lift up, with a little help from the point of the blade.



    Do the same on the opposite side, and the skin will pull off, as here, along with some others.



    The crown that you now have is brass, which a little hand buffing will expose.



    Should you wish to add a little "patina", this is what I do.

    You will need Gun Blue, de-greaser, and a cotton bud.



    Clean the crown with de-greaser, using a cotton bud, then apply the bluing solution with a clean bud. Colour will deepen as more coats are applied.
    This is with two coats.



    Buffing, or general usage, will expose the brass on the highpoints.

    It is the same process that I used on this.






    Steve.

  2. #312
    24h
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Anyone know what would be the cause of an hour hand being behind on a 2416 movement?
    After about one month, the hour hand is 30 minutes behind. The watch is keeping accurate time, however, when the minute hand is exactly at 12:00 the hour hand is between 11:00 and 12:00.

    I've checked the hand and it isn't loose or making contact with anything and already re-aligned the hands last month.

    My YouTube Channel for watch modding and I​nstagram for (mostly) Russian watches

  3. #313
    Member Matt_Bored_O's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by 24h View Post
    ....... the cause of an hour hand being behind on a 2416 movement?....

    Did you perform any work on the movement apart from installing the hands?


    1. Dial Washer: if you removed the dial, the dial washer may have been lost. This could cause the Hour Wheel to occasionally lift up and skip a few teeth, which would make it out of sync with the Minute Wheel.

    2. Damaged Hour Wheel or Hour Wheel Forced Out of Sync:
    - When you installed the hands did you exert pressure on the side of the Hour Hand to align it after it was fully pressed onto the Hour Wheel pipe?
    If so, this could have damaged the Hour Wheel teeth or caused it to skip a few teeth, causing it to be out of sync. with the Minute Wheel.
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  5. #314
    Member cyberwarhol's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Hi there been following for a while. I am wondering where I can get some blue hands, not the stock type. Possibly sword, pencil or merc.
    Thanks.


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  6. #315
    24h
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by Matt_Bored_O View Post
    Did you perform any work on the movement apart from installing the hands?


    1. Dial Washer: if you removed the dial, the dial washer may have been lost. This could cause the Hour Wheel to occasionally lift up and skip a few teeth, which would make it out of sync with the Minute Wheel.

    2. Damaged Hour Wheel or Hour Wheel Forced Out of Sync:
    - When you installed the hands did you exert pressure on the side of the Hour Hand to align it after it was fully pressed onto the Hour Wheel pipe?
    If so, this could have damaged the Hour Wheel teeth or caused it to skip a few teeth, causing it to be out of sync. with the Minute Wheel.
    I'll have to open the watch up to inspect the hour wheel and check if the washer is missing...waiting for some parts for a case swap and I'll check then.
    I have a feeling that it's either damaged or missing the washer rather than just being out of sync. The problem gets progressively worse over time.

    Edit: Another observation about all Vostok movements with a date mechanism.
    It seems that at the instant the date changes over, the hour hand jumps forward by about 5 minutes. How does the movement compensate for this?
    Last edited by 24h; January 14th, 2019 at 01:07.

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  7. #316
    Member Matt_Bored_O's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    .
    Blue Hands

    See Post #318
    Last edited by Matt_Bored_O; January 15th, 2019 at 23:40.
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  8. #317
    Member Matt_Bored_O's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by 24h View Post
    ....all Vostok movements with a date mechanism.
    It seems that at the instant the date changes over, the hour hand jumps forward by about 5 minutes. How does the movement compensate for this?


    Hour Hand Jumps 5 min. when Date Changes
    :


    It is most likely the effect of the less than perfect tolerances in the entire gear train.
    The release of the pressure that is built during the impending date change may be causing the gears or wheels to shift a small amount.

    The teeth of each gear or wheel remain in contact.

    5 min. is not actually gained, it only appears so.


    ** See Post #323
    Last edited by Matt_Bored_O; January 18th, 2019 at 02:15.
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  9. #318
    Member Matt_Bored_O's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    .
    .

    Colour Hands


    There are now more coloured hands for Vostok Amphibia and Komarndirskie
    These hands will fit all 24xx Vostok movements
    This includes the standard Komandirskie models because they use the 2409 and 2414 movements

    There are Seiko and Miyota hands of different colours which can be re-sized to fit Vostok 24xx movements
    - this info. will be given in a future post


    'Blued' : the hands are heat treated to give them a dark blue hue

    Silver: some sellers refer to unpainted silver hands as: 'White'
    - look at the photo carefully. They may appear as white paint but may be only silver
    -- if unsure, contact seller


    ---------------------------------------

    1. Ebay Sellers: if no coloured hands are listed, they may be out of stock. Check again later.


    dr.seikostain: ebay seller: Poland

    https://www.ebay.com/sch/i.html?_ftr...+hand&_sacat=0


    raffles-time: ebay seller: Singapore

    https://www.ebay.com/sch/i.html?_fro...pg=50&_fosrp=1


    bestrus: ebay seller: Russia

    https://www.ebay.com/sch/m.html?_odk...hands&_sacat=0


    bandukh: ebay seller: USA

    https://www.ebay.com/sch/m.html?_odk...hands&_sacat=0


    ---------------------------------------


    2. Meranom: official Vostok seller: Russia

    - these are standard Amphibia hands
    - they are 'blued' vs. painted blue. Darker and may be less visible than blue paint
    * if the 'blued' hands are not listed: they may be out of stock.

    https://meranom.com/en/amphibian-cla...ued-hands.html


    ---------------------------------------


    3. IgorIV: WUS forum member: Ukraine

    - IgorIV has the largest selection of hands available in both silver and gold (brass)
    - contact him to discuss painting the hands
    -- provide a photo or description of the exact shade you require

    - 'blued' hands available: ask him which styles are available


    Available Hands:

    Chart and Order Page

    - you may also order by contacting him through WUS

    https://docs.google.com/forms/d/e/1F...N68Aw/viewform


    see these Posts of this Guide

    #206

    https://forums.watchuseek.com/f10/gu...l#post44199097


    #55

    https://forums.watchuseek.com/f10/gu...l#post33145282


    WUS contact:

    https://forums.watchuseek.com/member.php?u=266266

    IgorIV WUS forum thread:

    https://forums.watchuseek.com/f10/cu...s-3267474.html


    ---------------------------------------


    4. If you see a WUS forum member with hands he has painted himself, don't be afraid to ask if he will paint some for you


    ---------------------------------------


    * If you discover new sellers of painted hands or if you want to offer your own painting services, please contact me and I will add this information to this Guide
    Last edited by Matt_Bored_O; January 20th, 2019 at 07:12.
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  10. #319
    Member TwentiethCenturyFox's Avatar
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Well done Matt! New to Vostok and this thread is a life saver!
    Matt_Bored_O and igorIV like this.

  11. #320
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by Matt_Bored_O View Post


    Hour Hand Jumps 5 min. when Date Changes
    :


    It is most likely the effect of the less than perfect tolerances in the entire gear train.
    The release of the pressure that is built during the impending date change may be causing the gears or wheels to shift a small amount.

    The teeth of each gear or wheel remain in contact.

    5 min. is not actually gained, it only appears so.
    Indeed, no time is gained whatsoever, and this "jump" only affects the hour hand. It's very visible in the below 20 seconds long video that I recorded after having replaced the calendar cam spring on a Vostok 2414.



    My idea of this is that when the energy in the calendar cam spring is released, some of the energy (due to "less than perfect tolerances", as Matt_Bored_O explains) travels to the hour wheel through the calendar wheel and the intermediate calendar wheel and this is what causes the "jump". BTW, the parts nomenclature that I use comes from this post.
    24h and Matt_Bored_O like this.
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