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What is the reason for the watch to stop when moving the hands against the watches?

Khaledabdwatch
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Klassiker Distinguished Member

Klassiker

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Posted

Hello @Khaledabdwatch. We need to find you a better translator. I have looked at your posts so far, and most of them do not make much sense. If you carry on like this you are not going to get many answers to your questions, I'm afraid.

Are you using an online translator like Google Translate, or something else? What is your first language? Maybe there is someone here who can help you out, but we need to know more about you.

For your information, these are watch hands: https://www.selva.de/en/all-categories/clock-movements/pocket-watch-hands

And these are scorpions: https://www.animalspot.net/scorpion

To try to answer the question I think you are asking...  When you turn the hands of the watch backwards you are increasing the friction which the power from the mainspring has to overcome. Depending on how tight the cannon pinion is, it may possible to stop the gear train from moving forwards, or even drive it backwards.

Have a look at this animation https://www.hodinkee.com/watch101 to learn some English watch-terminology and understand a little about how the movement works.

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