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Re: ACCURACY TRENDS SMP 2254
In Response To: ACCURACY TRENDS SMP 2254 ()

: Interested to know if anyone else has spotted this phenomenon...

: Whilst I know that conventional wisdom dictates that we are not
: supposed to obsess about the accuracy of a mechanical, I find
: the following obervation interesting.

: My 2254 normally averages out at running - 1 sec per day. 2 years
: old, never been opened...not too shabby at all.
: But the strange thing is that, for a few days after I have re-set
: the time, that accuracy goes haywire. For 2 to 3 days after
: setting it, it runs at prob about -3.5/ -4 sec per day. Still
: essentially within COSC specs, sure, but then after about a week
: settles down to -1 sec per day again. Happens every time, so at
: least it is consistent!

: Anyone else???

: Craig C

... and I thought it was just me! Not only being that obsessive but noticing the inconsistencies after just having set the time. I thought it was just the error in setting it, and changed my behavior to only recheck after a week or so assuming this spread the error over that many days and my "daily variation" would be a more accurate figure.

Now, for an explanation? Does anyone understand the mechanics enough to hazard a guess why this happens? Does the act of disengaging the hands upset the accuracy?

Messages In This Thread

ACCURACY TRENDS SMP 2254
Re: ACCURACY TRENDS SMP 2254
Re: ACCURACY TRENDS SMP 2254
Re: ACCURACY TRENDS SMP 2254
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