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  2. Conservation and restoration of clocks - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Excessive cleaning can "cause more issues like over-drying of bearings and stress corrosion cracking of brass that is exposed to ammonia solution". [9] The mechanisms within clocks are highly sensitive to external matter like oils from fingertips or dust, so much so, that it can cause the machine to malfunction if it gets into the wrong area. [5]

  3. Mechanical watch - Wikipedia

    en.wikipedia.org/wiki/Mechanical_watch

    The hand-winding movement of a Russian watch. A mechanical watch is a watch that uses a clockwork mechanism to measure the passage of time, as opposed to quartz watches which function using the vibration modes of a piezoelectric quartz tuning fork, or radio watches, which are quartz watches synchronized to an atomic clock via radio waves.

  4. Mainspring - Wikipedia

    en.wikipedia.org/wiki/Mainspring

    Watch movements require regular cleaning and lubrication, and the normal result of neglecting to get a watch cleaned is a watch stopped at full wind. As the watch movement collects dirt and the oil dries up, friction increases, so that the mainspring doesn't have the force to turn the watch at the end of its normal running period, and it stops ...

  5. Fusee (horology) - Wikipedia

    en.wikipedia.org/wiki/Fusee_(horology)

    Many parts were gradually improved to increase isochronism, and eventually the fusee became unnecessary in most timepieces. The invention of the pendulum and the balance spring in the mid-17th century made clocks and watches much more isochronous, by making the timekeeping element a harmonic oscillator , with a natural "beat" resistant to change.

  6. Movement (clockwork) - Wikipedia

    en.wikipedia.org/wiki/Movement_(clockwork)

    In horology, "caliber" refers to the specific internal mechanism of a watch or clock, also known as a movement. Although the term originally was only used to refer to the size of a movement, it is now used to designate a specific model (although the same caliber can be used in many different watches or clocks).

  7. Jewel bearing - Wikipedia

    en.wikipedia.org/wiki/Jewel_bearing

    In modern quartz watches, the timekeeper is a quartz crystal in an electronic circuit, powering a small stepper motor. Because of the small amount of torque needed to move the hands, there is almost no pressure on the bearings and no real gain by using a jewel bearing, hence they are not used in a large proportion of quartz movements.

  8. Peg wood - Wikipedia

    en.wikipedia.org/wiki/Peg_wood

    They are also used to clean watch case backs and watch case rims, to dry hands and to clean between bracelet rings which might gather grease and dust when worn over a long period. The point is twirled around the hole to be cleaned to remove dirt. A new point is cut and the operation is repeated until the peg wood is clean when removed from the ...

  9. Watchmaker - Wikipedia

    en.wikipedia.org/wiki/Watchmaker

    A modern watchmaker at his workstation; he wears a magnifying loupe to more easily see the small parts of a watch A watchmaker's lathe in use to prepare a decorative watch component cut from copper. A watchmaker is an artisan who makes and repairs watches. Since a majority of watches are now factory-made, most modern watchmakers only repair ...

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