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Commercial watch servicing
In the second year we start servicing watches in a commercial manner. The university dictate the types of watches we need to service and then we find watches we can afford that fit that criteria. This short video explains the watches I chose.
Service a Swiss lever escapement carriage clock
My first task is to service a swiss lever carriage clock. Here is the full strip down and assessment for damage or work that may be needed.
Swiss lever platform
After stripping the clock, next is to work on the escapement. This very important part practically runs your whole clock. It regulates the time and keeps it accurate. Altogether its only about 3CM x 2CM. So pretty small. To the naked eye it looks pretty clean.....
Swiss lever platform escapement under my microscope
This video was shot in 4 sections
1- Pallet stones. 1- Balance wheel above. 3- Balance wheel from side. 4 - Curb pins.
1- The first part show the pallet fork stones and how dusty and grubby they are. To the naked eye they dont look too bad but its a good example of why watches and clocks need to be serviced regularly. Over time, this much dirt in a clock can cause untold damage through out the clock.
2- The second section in the video is the balance wheel oscillating, viewed from above. The balance wheel is a weighted wheel with a hair spring (spiral torsion spring) at the centre that rotates back and forth around an axis. From this angle we can see if the balance spring has damage or is out of centre due to bad fitting.
3- The third section is a shot from the side to see if the balance has any bounce or wobble. This could cause problems in the running and accuracy of the clock.
4- In the last section of the video we see the balance spring itself bouncing back and forth between the curb pins. This is also very important that it is even in its travel back and forth.