The number of jewels a pocket watch has along with the number of adjustments, meaning the calibrations a watch has to keep it running accurately regarding of the position in which it is held, add to the value. The term jewels refers to the industrial grade gemstones used as bearings for gears employed to minimize friction and subsequent wear on the watch mechanism. The higher the quality of the watch, the more jewels it will have - up to 25 in some instances. High jewel watches are fervently sought by watch collectors.
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