Of all my watches only my older (like from the 1960s) four digit Cosmograph Daytonas have required real service. The mainspring on one broke and it was hard to get the part because I didn't want to take it to the Rolex AD and wait months, so I had a friend in the business handle it took just a matter of weeks.
Also I had a JLC that seemed like it was malfunctioning but it turned out that the complicated function on it just wasn't meant to being adjusted with the push button while the watch was around midnight because the day and date function was in action. I turned that in under warranty and it came back a couple months later saying they had cleaned and serviced it but it was just the same.
Otherwise, I have not had a non Quartz watch of mine fail. However I don't really wear any single watch too much, I rotate them (if they sit idle for too long I try to at least wind them a few times a year, or shake them a few times a year to get the automatic movement going), and also I don't even wear an expensive watch most of the time, most of the time it's an Apple Watch, which right now I'm wearing an Ultra 3.
One thing about quartz watches and I have plenty that I never wear any longer - take the batteries out. I had a pretty valuable Tag Heuer Formula 1 from the 80s I left the battery in there and eventually the battery not only died but leaked destroying the movement. Luckily this happened maybe 15 years ago and Tag replaced everything made it like brand new at not too much cost.



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