I like delving into various topics and/or hobbies, learning about them, becoming an 80% expert, then moving on to something else. I’m enjoying that process with watches currently. One thing you have to do with a mechanical watch is “regulate” it. This is the act of checking how well it keeps time and tweaking a tiny lever inside, much like you do a pendulum grandfather clock. You can check it each day, jot it down on a piece of paper then average it. Or you can use a fancy instrument that measures it accurately in a minute or two. The instrument is expensive, but the jotting it down process takes days and several trips. I found some apps that use your phone microphone to give you a relative idea how well it’s doing in about a minute. I showed it to my jeweler and we used it to get mine regulated to within less than three seconds in only a few tries during one visit. For a mechanical watch anything better that +/- 5 seconds per day is considered properly regulated.
The only catch is you need to be somewhere quiet and free from vibration. What I found works best is inside a car in a quiet part of town away from busy streets. Interesting.
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