Weird timing variation with Tudor Ranger

[Oldhootowl]

A very weird event happened with my Ranger, it originally ran at +5spd and settled down to consistently run at +2spd. Slowing down a bit is normal on ETA movements, I’ve had this watch for over 2 months with no slow variance but for some reason after Valentine’s Day my watch is running -5 to -7!

I checked for magnetism with an app I downloaded, the watch is not magnetized. I tested this app with a quartz watch i own and a very light powered magnet and it was accurately reading magnetism on those. I have never dropped or banged my watch on anything. It’s just literally dropped it’s speed 10 seconds for no reason at all.

I also keep the watch wound properly, it’s worn nearly every day and I always hand wind at least once every few weeks just to be sure. This is out of nowhere, I’m totally baffled. Here’s a screen shot of my watch over a period of 61 days, notice the bizarre drop. Any ideas of what’s the heck is going on? I’m going to let my AD send it in for service when I pick up my BB58, this just greatly disappointed me because my Ranger has been so excellent until now.


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