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26 March 2020, 04:34 AM | #1 |
"TRF" Member
Join Date: Feb 2020
Location: Belgium
Watch: Explorer 114270
Posts: 24
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Caliber 3130 weird behavior
Hello,
I'm having trouble with my recently acquired Explorer 114270 from 2008. As I have a one-year warranty I'm obviously going to have to take it back to the dealer, but before I do that I want to wisen up a little on what might be going on. It looks as if this mint-condition watch had been sitting in a drawer for most of its life. When I got it in mid-February it was gaining about 4 seconds per day when lying dial-up at night and 3 s/d crown-down. So I kept it crown-down until after three weeks all of a sudden it gained over 30 s/d. During the day it still gained 4s/d, only to make a huge 25-second leap overnight. When i reverted back to keeping it face-up at night, it went back to its original 4s/d. Here's my theory: When being worn after the long storage, body temperature and movement mobilized a droplet of lubricant that had collected over the years, which then made it onto the hairspring. With the hairspring horizontal (dial up), the oil is distributed evenly on the string and doesn't cause any harm. When the hairspring is vertical, the droplet collects in the lower part of a spring loop, causing it to stick and make the watch run fast. Plausible? The watch came with the original warranty card but without any service records, so I assume that it hadn't been serviced recently, if ever. For some reason I don't understand, watchmakers are not on the list of "essential" businesses during Corona times, so in lieu of dealing with this I'm just theorizing here. |
30 March 2020, 08:08 PM | #2 |
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Join Date: Feb 2019
Posts: 77
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Hi there, I bought my 114270 F series from 2002, in 2018,
It was too in similar condition like yours, hardly even worn, it was +10s/day, at the time of purchase and remained constant. I decided to let it be and worn it for full year. In 2019 I took it to an independent watchmaker, and he said the 3130 movement is in pristine condition, unopened, just need lubrication and adjustment. Pretty sure 3130 is built like a tank, now it is +2s/day. yours are in better condition than my explorer, pretty sure it's gonna be fine! cheers |
31 March 2020, 12:51 AM | #3 |
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A year 2010 Sub I bought was the same way - a long term drawer queen. And the result was the same as the OP's.
After an overhaul it was better than new. The "older" lubes had dried up or also migrating. The nice thing is that the newer lubes are longer-lasting, more robust, and will increase the future service interval.
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31 March 2020, 03:23 AM | #4 | |
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31 March 2020, 12:07 PM | #5 | |
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Quote:
I did not know that the better lubes existed back in 2000.
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