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Why Are Jewels Put in Watches?

Answer

Jewels are put to watches due to their very small size and weight, high accuracy, low and predictable friction, and its ability to operate in corrosive environments and without lubrication including good temperature stability. They keep the watch running, without having to wind it constantly by keeping the flow of current going.
Q&A Related to "Why Are Jewels Put in Watches"
1. Lay down a piece of cardboard over the area where you will be applying jewels onto the tulle fabric. This will prevent the tulle from adhering to the furniture or carpeting. 2.
http://www.ehow.com/how_8107407_put-jewels-tulle.h...
The jewels themselves aren't valuable. They are mineral quality, not gem quality, and they are too small to be used for anything outside the watch. Plus, it's quartz and other crystals
http://uk.answers.yahoo.com/question/index?qid=200...
The jewels have a low and reliable friction coefficient, making them suitable for reliable mechanisms if you put them in the center of a cog as a bearing. You needn't lubricate them
http://answers.yahoo.com/question/index?qid=201203...
The numbers of jewels that are referred to in watch movements all depends on the make and manufacture of the watch. Certain companies like Waltham used extra jewels in the mechanisms
http://wiki.answers.com/Q/What_is_nineteen_jewels_...
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Watch jewels are real jewels. Most are jewels that would not merit enough attention to be jewelry. Parts in a watch are made from jewels since they can be made ...
A watch jewel is a small jewel that is used in the technical structure of the watch. You can actually see them in some watches. They are very small and have little ...
Jewels are used on watches for their functional value, more than for their aesthetic value. They are used to reduce friction because of their smoothness. This ...
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