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23 February 2020, 03:07 AM | #1 |
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GMT Running Slow
My 116710 is coming up to 5 years old. I have noticed recently that the power reserve was dropping off. Yesterday I wound it 40 times and it had stopped 5 hours later. Today it is losing about 60 seconds every hour. I also notice that when pushing in the crown the second hand doesn’t start moving unless I give it a good tap.
I assume it’s time to go to RSC but does anyone know what the likely issue is? Broken main spring? Any chance it could just be magnetised? Thanks for any insight! |
23 February 2020, 03:47 AM | #2 |
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if you did 40 FULL turns, power storage spring broken.Aas for losing time, debris perhaps. When magnetized it would run fast.
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23 February 2020, 04:03 AM | #3 |
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23 February 2020, 04:07 AM | #4 |
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I'd stop the movement and send it in. You don't want to run it when it is clearly damaged.
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23 February 2020, 06:10 AM | #5 |
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23 February 2020, 08:31 AM | #6 |
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Most likely broken main spring. Time for movement service.
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23 February 2020, 07:01 PM | #7 |
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24 February 2020, 01:39 AM | #8 | |
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Quote:
It's frustrating. My GMT jump hour hand broke right after warranty too. $750. The good news is it will come back like new with a 2 year warranty. On another note, have you decided if you're going to polish or not? If not, then maybe an independent would be less expensive.
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