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Deviation from -2 ~ + 2 seconds/ day rate accuracy
Hi all!
It's been a while now, and trust everyone is doing fine.
Just a quick question as i cannot seem to find the answer anywhere else, and i'd thought for sure my friends over here would help, does anyone know, or have your own experience, that since Rolex start setting their in-house rate accuracy tolerance rate to become -2 ~ +2 secs / day across all their calibres since 2015 onwards, besides taking in the usual considerations of the factors relating to how one wears the watch daily, temperature , position etc, overall, how LONG would it take before the calibre starts showing rate accuracies that deviates OUTSIDE of the above stated range? Say instead of so, it now goes beyond -2 ~ +2 and instead keeps on increasing or decreasing further ( -3, -4, +3, +4 etc? )
Assuming say if you do wear the piece regularly, or when you do not, how much of a difference will it make?
Would all this occur before it is meant for it's overhaul? say i take the 5 year mark to overhaul it, will this happen way before that, at say the 3rd year since purchase? Or even at around 5 years it would still be more or less at the original rate accuracy as claimed by Rolex? In other words, what is the length of time that the calibre would need to start showing it's oddities and not staying sharp and true to -2 + 2 ?
Whilst on this issue, now many of you know that i dont really own that much automatics ( for some of you old folks you might remember that i used to NOT even own ONE single piece!) , but does hand winding the automatic timepiece daily, actually help to maintain the good and consistent rate accuracy of said piece? (In this case a Submariner no date) I believe there could be some correlation to this that even if you do wear an automatic daily, that the fact that you could wind it still manually plays some role? Adding further to my belief is the reason why for the Japanese brands say Grand Seiko would when stating that the movement is an automatic, yet would write in brackets, that the movement is "Included with hand winding functionality" 手巻き付き）furthering meaning that one should hand wind the movement as you would a hand wound watch if you fancy? Or does this actually help it be more accurate overall?
I hope to hear from anyone with these 2 points!
Cheers
Stephen
More posts:
Deviation from -2 ~ + 2 seconds/ day rate accuracy
Hi all! It's been a while now, and trust everyone is doing fine. Just a quick question as i cannot seem to find the answer anywhere else, and i'd thought for sure my friends over here would help, does anyone know, or have your own experience, that since R...
On the second point, many automatic Seikos cannot be wound by hand.
If you want them to run, you have to wind them by moving them so their automatic winders turn. The ability to wind manually is apparently an extra "complication." Seiko therefore makes sure to specify which watches have it.
Thank you for confirming this!
I did seem to read somewhere before as well that Seiko(s), vs Grand Seiko(s), that for the Automatic Seiko(s) as you stated that they cannot be manually wound too, but I initially did not really believe it back then, owing to the fact further that I own n...
Normally, no.
After some years, not necessarily 5 years, maybe a bit more, yes, it may be less accurate. The sign of a revision. A second factor you have to keep in mind: The Magnetization. Demagnetize your watch regularly, as it is surrounded by magnetic fields everyw...
Interesting comment about demagnetizing the watch as I find myself using it more often these days
Maybe I am less careful with my electronics…but did not think about making the watch “aged” over time… good to keep in mind
Merci for the reminder!
Mon ami! Of course I have NOT forgotten about the dreadful magnets surrounding me! Yes, now whilst i do not think so that my submariner has been magnetised, because it is running just slightly slower at -2 ~ -3 secs/ day now, which I know is actually NOTH...
Sooner than I thought although mine might be an outlier..
Got my Explorer back in 2020 from a guy who decided it wasn’t for him. Between him getting the watch from the AD and into my hands a few weeks later, it was running within chronometer specs but not within +2/-2. I had RSC check it. Came back a week later,...
Oh!
Hi Echi, Thanks for sharing your experience! Ah so despite the Explorer being from since they already implemented the -2 ~ + 2 tolerance, so give or take i'd say perhaps about 2 years then all in all from the moment the 1st owner got it from the AD, up ti...
Ah ok! Well thats even better then, that you could get it quickly fixed!
I mean the sub that i am talking about now is already almost 3 years old, it is doing a -2 ~ -3, which as mentioned at the start is just me being me and my overly concerning self on top notch rate accuracy. We all really should though appreciate these mec...
I would have thought that logically it would be the opposite? That they would run slower
This is due to the fact that the oils in the gearings gets tougher, hence they create more friction, and hence have a "braking" effect so to speak to cause the entire gear train to run "rougher" and thus slower? But then again this could be the cause of s...
Friction reduces the amplitude ...
... and if the anchor is travelling a shorter path, it oscillates quicker, hence moving the hands faster. Marcus
Thank you for this reminder insight Marcus!
Trust that evertthing is well with you! Regards Stephen
I've had my datejust for a little over 3 years
It's still performing extremely well. If you keep the watch wound, the way in which you wind it plays no role in the timekeeping aspect. Don't wind a Rolex every day, because by doing that you have to screw and unscrew the crown repeatedly, which will wea...
Thanks for the reassuring advice Andrea!
May i ask by your datejust performing extremely well, what is it's rate accuracy over a 24 hour period that you notice? (if you are even keeping track of it?)
