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sullycape · 25 February 2011, 05:23 AM

I have been trying to time my watch with time.gov and this is an observation I have made. After setting the watch exactly it tends to gain 2 seconds in the next couple of hours, and then gains about 15 seconds through the next 24 hours.

This morning I noticed that it held exactly 14 seconds fast all morning. I reset it again and again within a couple hours it had gained 2 seconds.

Does anyone know if my holding the second hand while setting the time has the effect of speeding up the watch?

My next test is to hold back 15 seconds to see if it normals out 15 seconds fast again which should put the time exact.

I know this is crazy...but its kid of bugging me.

Tools · 25 February 2011, 08:26 AM

Something does seem to be a bit odd...

You don't say what watch it is.... does it not have a hacking seconds hand

If your watch gains ~15 seconds in 24 hours, but then maintains that same difference all day long on another day, you do not have a consistent time-piece and something may be amiss..

Ensure that your watch is fully wound.. Set it to your reliable time-source (time.gov is good), and then check it 5 days later, divide by 5 and you will get your daily variance.... Do not check it against any other time-source as there is some inconsistency between some of them..

sullycape · 25 February 2011, 09:41 AM

Its an Oyster Date model 115210 brand new from an AD. It has the hacking mechanism. Most likely its running fast and I just didn't pick on any changes this morning, but its running really fast if that's the case.

I set it at 2pm EST 15 seconds slow, as of right now 630pm EST its running 12 minutes slow which means it gained 3 seconds in 4.5 hours. I am using time.gov and only that time.

Problem is my AD is 65 miles away and I have no reason to go that way, looks like I may be making the trip on Saturday.

Tools · 25 February 2011, 01:45 PM

It's possible that you may have magnetized some of the internal parts... It used to be that the hairspring would get magnetized and the watch would run very, very fast, and so it was an easy diagnosis..

Now days, hairsprings are almost all anti-magnetic, but there are still other parts that could pick up some residual magnetization (such as the pallet) and cause the watch to run slightly fast..

This can happen if you store it with a cell phone, remote car fobs, or other high power electrical devices.........

sullycape · 26 February 2011, 02:59 AM

I brought it in today, its running about 20 seconds fast a day which is waaaay to fast.

25 February 2011, 05:23 AM	#1
sullycape Member Join Date: Feb 2011 Real Name: Brian Location: Bass River Watch: OYSTER DATE Posts: 32	Keeping time I have been trying to time my watch with time.gov and this is an observation I have made. After setting the watch exactly it tends to gain 2 seconds in the next couple of hours, and then gains about 15 seconds through the next 24 hours. This morning I noticed that it held exactly 14 seconds fast all morning. I reset it again and again within a couple hours it had gained 2 seconds. Does anyone know if my holding the second hand while setting the time has the effect of speeding up the watch? My next test is to hold back 15 seconds to see if it normals out 15 seconds fast again which should put the time exact. I know this is crazy...but its kid of bugging me.

25 February 2011, 08:26 AM	#2
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,514	Something does seem to be a bit odd... You don't say what watch it is.... does it not have a hacking seconds hand If your watch gains ~15 seconds in 24 hours, but then maintains that same difference all day long on another day, you do not have a consistent time-piece and something may be amiss.. Ensure that your watch is fully wound.. Set it to your reliable time-source (time.gov is good), and then check it 5 days later, divide by 5 and you will get your daily variance.... Do not check it against any other time-source as there is some inconsistency between some of them.. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

25 February 2011, 01:45 PM	#4
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,514	It's possible that you may have magnetized some of the internal parts... It used to be that the hairspring would get magnetized and the watch would run very, very fast, and so it was an easy diagnosis.. Now days, hairsprings are almost all anti-magnetic, but there are still other parts that could pick up some residual magnetization (such as the pallet) and cause the watch to run slightly fast.. This can happen if you store it with a cell phone, remote car fobs, or other high power electrical devices......... __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

25 February 2011, 09:41 AM	#3
sullycape Member Join Date: Feb 2011 Real Name: Brian Location: Bass River Watch: OYSTER DATE Posts: 32	Its an Oyster Date model 115210 brand new from an AD. It has the hacking mechanism. Most likely its running fast and I just didn't pick on any changes this morning, but its running really fast if that's the case. I set it at 2pm EST 15 seconds slow, as of right now 630pm EST its running 12 minutes slow which means it gained 3 seconds in 4.5 hours. I am using time.gov and only that time. Problem is my AD is 65 miles away and I have no reason to go that way, looks like I may be making the trip on Saturday.

26 February 2011, 02:59 AM	#5
sullycape Member Join Date: Feb 2011 Real Name: Brian Location: Bass River Watch: OYSTER DATE Posts: 32	I brought it in today, its running about 20 seconds fast a day which is waaaay to fast.

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