Does an oil-filled watch ever need service?
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Thread: Does an oil-filled watch ever need service?

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  1. #1
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    Does an oil-filled watch ever need service?

    Would a watch that is filled with oil (such as the Bell and Ross Hydromax) ever need to be serviced?

    It seems like the oil in there would serve as a lubricant. What do you think?
    ShockMister

  2. #2
    Member X2-Elijah's Avatar
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    Re: Does an oil-filled watch ever need service?

    It could suffer from bumps same as any other watch. Or, [deity] forbid, if the watch cracks a leak somewhere....

    I'd guess that the oil would serve as lubrication, and whisk away any small friction-caused particles.
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    Member badindianswamp's Avatar
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    Re: Does an oil-filled watch ever need service?

    The Hydromax has a quartz movement. It must be seperated from the oil I would think.

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  5. #4
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    Re: Does an oil-filled watch ever need service?

    And what is the cost compared to a regular watch? I assume that the average watch mechanic would not do them.

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    Re: Does an oil-filled watch ever need service?

    Sinn has a good write-up explaining oil use in watches. Note - only quartz watches can be oil filled, as the oscilation of the balance in a mechanical watch would not overcome the density of liquid.
    Sinn Uhren: HYDRO

    Looks like service has to be done with manufacturer - Sinn charges 220 euro for service on Hydro. They say batteries can only be replaced during std overhaul and movement must be cleaned of oil.
    https://www.sinn.de/en/Download/Sinn...ePriceList.pdf

    Then again, there is a great photo-essay on F2 right now where the poster filled his digital casio with olive oil, so I guess it is possible to open oil filled watch on your own if you are willing to take the risk with Bell & Ross or Sinn priced watch
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  7. #6
    Member sticky's Avatar
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    Re: Does an oil-filled watch ever need service?

    I would have thought so. If only to change the oil which must deteriorate slightly over time.

  8. #7
    Member Seibei's Avatar
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    Re: Does an oil-filled watch ever need service?

    When does an oil filled watch need a service?

    1. When the battery, capacitor or whatever it is needs to be replaced.

    2. When the seals have deteriorated.

    3. When oil starts to leak.

    4. When bubbles appear.

    5. When the oil starts to smell bad.

    6. When it needs to be polished.

    7. When worn out parts of the mechanism need to be replaced.
    Have a nice day.

  9. #8
    Member pithy's Avatar
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    Re: Does an oil-filled watch ever need service?

    Quote Originally Posted by EnderW View Post
    . . . . . as the oscilation of the balance in a mechanical watch would not overcome the density of liquid. . . .
    Many mechanical movements will cheerfully chug along submerged in cleaning solution.

    If the viscosity of an oil is low enough they could potentially run in it as well.

    The period is different so the balance would have to be vibrated for a new rate - slower and geared accordingly.

  10. #9
    Member Seibei's Avatar
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    Re: Does an oil-filled watch ever need service?

    Quote Originally Posted by pithy View Post
    Many mechanical movements will cheerfully chug along submerged in cleaning solution.

    If the viscosity of an oil is low enough they could potentially run in it as well.

    The period is different so the balance would have to be vibrated for a new rate - slower and geared accordingly.
    They will chug along. Not very cheerfully though, mainly because the resistance of oil is much greater than air and the power reserve will probably be very short. just wearing it on your wrist will probably not provide enough energy to keep it going.
    Have a nice day.

  11. #10
    Member mharris660's Avatar
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    Re: Does an oil-filled watch ever need service?

    my oil filled car engine does

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