Source
r/Watches•
Scrollmaster3000

[Question] Tudor suddenly running slower ? Advice needed

I’ve had a Tudor Day-Date for about two months now, and for all of those two months up until a few days ago, it has been running at a solid +1/2 seconds a day. However over the past few days, I’ve noticed it is running more like -6 seconds a day. I’ve checked both on the wrist and in my watchbox, all readings have been about 5/6 seconds a day slow

I know 5 seconds a day is well within the tolerances and in itself not something to be worried about, it’s more the sudden change that has me concerned, and the prospect that it might continue getting worse. For reference the Tudor was bought new and well within warranty and all that.

What do you guys think ?

Posted Aug 12, 2019, 12:24 PM UTC

36
216570•

Has is taken any knocks, hits, or drops(even ones you consider minor)?

Are you active enough with the watch on to keep up a higher power reserve?

Magnetism generally causes a watch to run dramatically faster so I don’t think it’s that.

5
Scrollmaster3000OP•

Certainly none that I remember, though I guess that’s a possibility ? But no, nothing that I remember

Yes it was fully wound when it transitioned from +1 s/pd to -6, it’s not that

Yup I really don’t think it’s been magnetised either, as you said, that makes watches run fast.

Bit of a strange one all in all ! Hopefully it’s just one of those things that happens randomly and nothing to worry about

2
Ahlbe1cl•

If the watch were to instantly run fast, that's an easy troubleshoot in that the mainspring is likely slightly magnetized. With a watch suddenly running slow, it's a bit more of a guess to troubleshoot.

4
Scrollmaster3000OP•

Yeah, I’m relatively newish to watches as I only started collecting this past year, and have no idea what would cause a watch to run slower

1
odysseusaurus•

I had a similar thing happen to my visodate and asked about it in a thread a few months back. My visodate was running at a consistent +6 everday and all of a sudden was -10 seconds out of the blue. It has since gotten better and is running at about +2 per day. (It pretty much corrected itself, I guess and I also lay it different at night). Have you let the watch wind down completely and started it up again to see if it gets better? Id keep an eye on it (wouldn't be super super worried), but People in the thread mention weather, temperature, and resting position at night as potential answers and you can read a few of the other answers in here if you're curious:

https://www.reddit.com/r/Watches/comments/aq5x5p/accuracy_differences_in_accuracy_is_it_normal/

1
Scrollmaster3000OP•

That’s an interesting suggestion about letting it wind down and then rewinding it, I might try that ! Thank you

As for the rest, temperature, resting position etc, whilst good ideas, it’s not the case in my situation as the watch went from +1 sitting in my watcnbox, to -5 the same night, it was in the same position, same temperature, all that sort of stuff. It literally just changed randomly

I’m glad yours just corrected itself, hopefully that’s the case with mine too !

1