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Weird Time Keeping


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A friend of mind has had a strange experience with the timekeeping of a Glycine.  I've established it's got an ETA 2893-2 calibre and sat in a box, not running, for 9 months.  Prior to this it ran about +5 seconds pd fast, apparently.

On wearing the watch again he found it running about -27 seconds a day slow at first (he was a bit miffed, said he hadn't dropped it or played golf with it or anything like that and I said I'd have a look at it and told it to keep wearing it in the meantime).  After 3 or 4 days it 'improved' to about -17 seconds pd (depending on how he left it sitting overnight).

Now a couple of days later he tells me it's running +3 seconds pd.  The android app says it's running -1 seconds pd with 9pm facing up.

I find myself a bit puzzled by this since I've never come across such a rapid change in accuracy in such a short period of time. 

Could it just be because it sat in a box for 9 months and the mechanism was bit sticky, or is something else going on?

Just curious if anyone else has come across this with this movement.

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4 minutes ago, Bricey said:

Where was the box kept, in the house on in a cold garage/shed?

 

I asked that - should have said - in a cupboard under the stairs apparently, although he did say he'd had to move things about last year and was rather evasive :laugh:

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I've had similar with new (out of the box) Seiko's. One running +, the other -. The fast runner was magnetized from new, the slow one, over a period of a month or so settled down. When did the Glycine last have a service ? I have a couple with that movement, and they start losing time when they need an "oil change".

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27 minutes ago, WRENCH said:

When did the Glycine last have a service ? I have a couple with that movement, and they start losing time when they need an "oil change".

He 'said' it was 4 or 5 years old (so probably older, probably quite a bit older), don't think it's ever had the back off since he didn't know it needed servicing regularly. :huh::laugh:

Makes you wonder how many people just don't bother.

If it was just a service I wouldn't have expected the change in accuracy though, so still a bit puzzled.

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