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Roly25 · 5 January 2021, 12:31 AM

So about two months ago my 5 digit Pepsi was running about +3 Spd. I put it away for about a month or two and tried it on again. After checking its accuracy it jumped up to about +7/+8 Spd. Not sure when the last time it was serviced, but I thought the jump was a bit sudden vs a gradual increase. Its been running this fast for about a month now as well. So I know time hasn't improved it either.

Just wondering if anyone had any thoughts as to what might be happening? Is it magnetized? Is it possibly due for service?

16610Swiss · 5 January 2021, 12:33 AM

Wear it for a month it will go back to normal. Not magnetized

toolr · 5 January 2021, 12:38 AM

I'm a bit confused. It's all of a sudden running slow, but has increased to +7/8spd?

Roly25 · 5 January 2021, 06:46 AM

Quote:

Originally Posted by toolr

I'm a bit confused. It's all of a sudden running slow, but has increased to +7/8spd?

Sorry I had a brain fart when posting! I meant to say its speeding up so the title is incorrect.

Tools · 5 January 2021, 07:15 AM

The timing is different because it's cold outside, and you aren't doing the same activities that you did before..

padi56 · 5 January 2021, 01:13 AM

Quote:

Originally Posted by Roly25

So about two months ago my 5 digit Pepsi was running about +3 Spd. I put it away for about a month or two and tried it on again. After checking its accuracy it jumped up to about +7/+8 Spd. Not sure when the last time it was serviced, but I thought the jump was a bit sudden vs a gradual increase. Its been running this fast for about a month now as well. So I know time hasn't improved it either.

Just wondering if anyone had any thoughts as to what might be happening? Is it magnetized? Is it possibly due for service?

First it's doubtful its not magnetised as in general yes they do speed up but not just a few seconds,in general when this happens they run very erratic speed up by minutes or more and even stop and refuse to start.Many things affect mechanical watches on the wrist such as gravity,mainspring power-reserve,different temperatures,changes in lubrication,shocks on the wrist resting positions off wrist and so on.And even at +8 seconds your watch is still 99.92% accurate seeing there are 86400 seconds in a day.

DJ2020 · 5 January 2021, 01:24 AM

Have a AD check the amplitude, I suspect it's low. That will make it run fast for awhile until it gets so low it starts to run slow. Lube is thickening or main spring weak, something in that order I suspect. Take it to a AD and they will revile the answer pretty quick I would say.

Sugarloaf · 5 January 2021, 05:34 PM

It could be slightly magnetised, I had the same problem a few month ago (all of a sudden accuracy increased from 1 sec a day to 10 sec a day, and it was not erratic).
Worth trying to demagnetised the watch before anything else... it is easy, quick, no need to open the case!

5 January 2021, 12:31 AM	#1
Roly25 "TRF" Member Join Date: Jun 2017 Location: MY Metro Area Watch: Rolex Milgauss, Posts: 233	My 16710 is running slow all of a sudden So about two months ago my 5 digit Pepsi was running about +3 Spd. I put it away for about a month or two and tried it on again. After checking its accuracy it jumped up to about +7/+8 Spd. Not sure when the last time it was serviced, but I thought the jump was a bit sudden vs a gradual increase. Its been running this fast for about a month now as well. So I know time hasn't improved it either. Just wondering if anyone had any thoughts as to what might be happening? Is it magnetized? Is it possibly due for service?

5 January 2021, 07:15 AM	#5
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,514	The timing is different because it's cold outside, and you aren't doing the same activities that you did before.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

5 January 2021, 12:33 AM	#2
16610Swiss Banned Join Date: Sep 2020 Location: West palm beach Posts: 148	Wear it for a month it will go back to normal. Not magnetized

5 January 2021, 12:38 AM	#3
toolr 2024 Pledge Member Join Date: Sep 2009 Location: Northwest Posts: 1,369	I'm a bit confused. It's all of a sudden running slow, but has increased to +7/8spd?

5 January 2021, 01:24 AM	#7
DJ2020 "TRF" Member Join Date: Nov 2020 Real Name: Wayne Location: NC Watch: 226570 Posts: 3,484	Have a AD check the amplitude, I suspect it's low. That will make it run fast for awhile until it gets so low it starts to run slow. Lube is thickening or main spring weak, something in that order I suspect. Take it to a AD and they will revile the answer pretty quick I would say.

5 January 2021, 05:34 PM	#8
Sugarloaf "TRF" Member Join Date: Aug 2015 Location: Somewhere Posts: 45	It could be slightly magnetised, I had the same problem a few month ago (all of a sudden accuracy increased from 1 sec a day to 10 sec a day, and it was not erratic). Worth trying to demagnetised the watch before anything else... it is easy, quick, no need to open the case!

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