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[Question] Seiko movement driving me nuts. SPB143 (alien.top)

submitted 1 year ago by seoulbrova@alien.top to c/watches@style.land

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Love this watch and it's been keeping great time. Haven't worn it for a while and all of a sudden it's losing 5 minutes every 3-4 hours. Weird thing is if I set it down over night it doesn't lose any time. Any ideas on why it is slowing down so much only when it's being worn?

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[–] zrx74@alien.top 1 points 1 year ago (1 children)

That’s what the 6R movement does… try demagnetizing it but it sounds like a typical 6R inconsistency. It’s mainly caused by positional variance & low amplitude. Had some inconsistencies on spb143 and just returned a new spb335 (with the same movement) for running -38 s / day.

[–] seoulbrova@alien.top 1 points 1 year ago (1 children)

I can understand inconsistency but when placed on my dresser it kept perfect time over the course of 24 hours. As soon as it's back on wrist the problem starts up again

[–] zrx74@alien.top 1 points 1 year ago

Yes because in the dresser it was placed in a position it runs well. Try putting it in the dresser but with crown down or another position you use during the day and you will see a variance.

[–] seoulbrova@alien.top 1 points 1 year ago

Looked at the watch and it looks like it's not running slow but the second hand gets stuck. As soon as I move it starts running again. Why ideas on what would cause the second hand to intermittently get stuck?