Author Topic: Brand jewels in movements  (Read 1068 times)

kanikune

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Brand jewels in movements
« on: May 21, 2015, 11:50:17 PM »
I have come to notice that not even close to always you can use brand specific jewels when repairing watches. In many cases the previous watchmaker have not been able to obtain the correct jewel and next step is to use jewels from current inventory. Obvious case is, when jewel hole is reamed bigger than original jewel hole, but always it is quite common to face situation, when the wheel bearing surface has been burnished to smaller dimension.

In this case if the best result is needed,, the wheel needs to be replaced with original jewels, or matching jewels need to be ordered, if not in stock.

Spice to this situation brings cases, when jewel has special dimension in height. Normal Seitz jewel might be too high for this situation.

Sadudinhun

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Re: Brand jewels in movements
« Reply #1 on: November 22, 2017, 12:34:45 PM »
I have seen that it is true and believe in this.