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psharpless · 17 June 2011, 03:21 AM

When someone posts e.g. -1.5 seconds or +1.5 seconds to indicate time loss or gain per day how is this interpreted? Is the number an adjustment number or does it tell us the watch is running slow or fast. If someone could interpret for me...my new sub c is running about .75 sec/day fast... would this be a plus 0.75 or a minus 0.75. Just curious, thanks.

al_bongo · 17 June 2011, 03:24 AM

This would be +0.75s

chronoman · 17 June 2011, 03:54 AM

+.75s/day, to me it means it gains 5 seconds in 20 days.

psharpless · 17 June 2011, 03:55 AM

thanks, is that ok, within acceptable range and will it worsen or get better in future

Megalobyte · 17 June 2011, 05:42 AM

That's better than OK.

Cabaiguan · 17 June 2011, 05:46 AM

Quote:

Originally Posted by psharpless

thanks, is that ok, within acceptable range and will it worsen or get better in future

That's pretty accurate.

mjclark32 · 17 June 2011, 06:09 AM

plus .75s and that is great.

psharpless · 17 June 2011, 10:39 AM

thanks for the clarification!

MortgageGuy · 17 June 2011, 12:53 PM

Quote:

Originally Posted by psharpless

thanks, is that ok, within acceptable range and will it worsen or get better in future

Thats AWESOME!!! Remember just how many parts are inside for your watch to function properly

Under a second off per day is great, you should be thrilled!

Watchdog · 17 June 2011, 12:54 PM

Yeah, that is indeed pretty sweet accuracy.

Darlinboy · 17 June 2011, 07:58 PM

Quote:

Originally Posted by psharpless

thanks, is that ok, within acceptable range and will it worsen or get better in future

Yes, it will worsen or get better!

No way to know, really. It's an incredibly accurate and well made timepiece. Just enjoy it!

padi56 · 17 June 2011, 08:07 PM

Quote:

Originally Posted by psharpless

When someone posts e.g. -1.5 seconds or +1.5 seconds to indicate time loss or gain per day how is this interpreted? Is the number an adjustment number or does it tell us the watch is running slow or fast. If someone could interpret for me...my new sub c is running about .75 sec/day fast... would this be a plus 0.75 or a minus 0.75. Just curious, thanks.

Dont get into all this obsession with testing accuracy to the 100th of a second etc. Just wear your watch in good health for the next 40 odd years,and all Rolex chronometers are at the bottom of the scale at least 99.996% accurate or a little better.

Watch Professor · 17 June 2011, 10:59 PM

Excellent accuracy. Can't get any better than this.

psharpless · 22 June 2011, 10:36 PM

thanks for all the replies, just a quick fyi; overnite, when i placed the watch down at 6 o'clock with 12 o'clock up it slows down a tad...good way to correct for fast run during the day while wearing. i'm sure each watch is different but never hurts to experiment to keep time accuracy close to +/- zero per day. obsessive, i know but want it perfect!

padi56 · 22 June 2011, 10:50 PM

Quote:

Originally Posted by psharpless

thanks for all the replies, just a quick fyi; overnite, when i placed the watch down at 6 o'clock with 12 o'clock up it slows down a tad...good way to correct for fast run during the day while wearing. i'm sure each watch is different but never hurts to experiment to keep time accuracy close to +/- zero per day. obsessive, i know but want it perfect!

Perfect 100% will not happen with any purely mechanical watch, there will be always tiny daily deviations.

17 June 2011, 03:21 AM	#1
psharpless "TRF" Member Join Date: Jun 2011 Location: Southeast USA Watch: DD Dayt SubC Celli Posts: 104	Time Accuracy Measurement When someone posts e.g. -1.5 seconds or +1.5 seconds to indicate time loss or gain per day how is this interpreted? Is the number an adjustment number or does it tell us the watch is running slow or fast. If someone could interpret for me...my new sub c is running about .75 sec/day fast... would this be a plus 0.75 or a minus 0.75. Just curious, thanks.

17 June 2011, 06:09 AM	#7
mjclark32 "TRF" Member Join Date: Mar 2010 Real Name: MJC Location: PHL USA Watch: IWC, Rolex, AP Posts: 29,232	plus .75s and that is great. __________________

17 June 2011, 10:59 PM	#13
Watch Professor "TRF" Member Join Date: Oct 2009 Real Name: Myron Location: New York Watch: GMT IIC; Sub Date Posts: 3,166	Excellent accuracy. Can't get any better than this. __________________

17 June 2011, 03:24 AM	#2
al_bongo "TRF" Member Join Date: Sep 2008 Location: Scotland, UK Posts: 444	This would be +0.75s

17 June 2011, 03:54 AM	#3
chronoman "TRF" Member Join Date: Dec 2010 Location: Midwest, U.S.A. Watch: 116520 & 3570.50 Posts: 255	+.75s/day, to me it means it gains 5 seconds in 20 days.

17 June 2011, 03:55 AM	#4
psharpless "TRF" Member Join Date: Jun 2011 Location: Southeast USA Watch: DD Dayt SubC Celli Posts: 104	thanks, is that ok, within acceptable range and will it worsen or get better in future

17 June 2011, 05:42 AM	#5
Megalobyte "TRF" Member Join Date: Oct 2010 Real Name: Ari Location: Florida Watch: ...me go broke Posts: 2,428	That's better than OK.

17 June 2011, 10:39 AM	#8
psharpless "TRF" Member Join Date: Jun 2011 Location: Southeast USA Watch: DD Dayt SubC Celli Posts: 104	thanks for the clarification!

17 June 2011, 12:54 PM	#10
Watchdog "TRF" Member Join Date: Feb 2009 Real Name: Junkyard Dog Location: The Doghouse Watch: I can't tell time Posts: 6,822	Yeah, that is indeed pretty sweet accuracy.

22 June 2011, 10:36 PM	#14
psharpless "TRF" Member Join Date: Jun 2011 Location: Southeast USA Watch: DD Dayt SubC Celli Posts: 104	thanks for all the replies, just a quick fyi; overnite, when i placed the watch down at 6 o'clock with 12 o'clock up it slows down a tad...good way to correct for fast run during the day while wearing. i'm sure each watch is different but never hurts to experiment to keep time accuracy close to +/- zero per day. obsessive, i know but want it perfect!

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