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Showing content with the highest reputation on 10/15/21 in all areas

  1. If anyone is wondering ... The Cyclonic enables the watchmaker to check all the mechanical functions of a quartz movement both quickly and thoroughly. The supplementary test facilities for displaying the motor drive pulse and checking the battery state complete a comprehensive functional investigation on the watch. Solidified oil and dirt can be released from the bearings by rotating the gear train rapidly. This usually enables a blocked movement to be brought back into operation again which is often the only possibility to repair a watch that cannot be dismantled.
    3 points
  2. Used the jacot tool again, result is not perfect but better than before, i hope so at least. Ruined that nice curved shoulder of the balance pivot at the main plate side. Learnt a lot again, the tool came with the jacot tool measuring the pivot diameter is cheating, suggested that I have to use nr 15, but i had to go down to 9 to make things work. Figured out with my microscope and with my caliper after wasting a couple of hours spent in confusion. Caliper showed about 0.11 mm diameter, not sure if the jacot tool 15 would mean it is 0.15 mm or just a number. Before: After: The pivot from the balance cock side cannot be perfected without reducing its diameter and I don't want to replace its jewel. I am looking for a rub in jewel / or modified friction fit jewel for the other one at the moment. Pushed out the old one.
    2 points
  3. no, it is a weigh scale. Resolution is 1/1000 gram. Has units of grams, drams and something else. it works
    1 point
  4. The way I figure out which way to wind a spring (I'm still doing them by hand) is I figure out which way the barrel/arbor goes in, look at the hook, and that tells me which way it wants to wind.
    1 point
  5. Update: So I explained to the seller that I didn’t feel comfortable purchasing the watch without a qualified person looking at the movement and authenticating it. Luckily he understood my apprehensions, so the watch was taken to a very respectful watchmaker in the East Anglian region who confirmed that it was indeed genuine!! Thanks to everyone who shared their opinion and knowledge
    1 point
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