If it means that the owner will use a treasured timepiece instead of keeping it tucked away, that's an attractive reason for alteration. Some conversions of high-end brands still sell for a high value after conversion. In general, altering a watch will lower the value (and some enthusiasts are ardently against doing this type of conversion).
![tavannes pocket watch value tavannes pocket watch value](https://d2mpxrrcad19ou.cloudfront.net/item_images/822983/10136338_fullsize.jpg)
They were a large and prolific manufacturer. The higher the quality of the watch, the more jewels it will have. Can someone please help me with as much information you can give me about this watch, year of movement, possible number of Jewels, what is TRUSTY, and is. Tavannes made a very wide range of watches, from very modest to fine. These minimize friction and subsequent wear on the inner watch mechanism.
![tavannes pocket watch value tavannes pocket watch value](https://i.ebayimg.com/images/g/g9gAAOSwzkFf7KKJ/s-l300.jpg)