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MagedMS · 19 April 2010, 03:30 PM

Well I keep testing my Rollies.. I donno why ?? Is this a normal behaviour or what ?? Anyway, I was testing my new GMT II C [V serial] this week for accuracy and power reserve .. Well the result for accuracy is excellent [ +2sec/24Hrs ] But the power reserve was UNSATISFACTORY [ 32~34 Hrs ] at Full Tank !!! Is this normal ? I tested the watch several times the dial face up but had the same result ! The GMT 2 specs is [ 48 Hrs ] for the 3186 movement .. Does the power reserve improves by time ? Anyone has the same problem ? I really feel bad for this result.. But I cannot deny that the movement feeling while adjusting hours/min. and winding the GMT II is TOP-NOTCH..

JJ Irani · 19 April 2010, 03:35 PM

PR should be close to 48 hours.

Just give it a full 45 turns of the crown and then note date and time. Set aside for 2 days and then note the time when it stops.

You should get very close to 48 hours with this watch.

JJ

swatty · 19 April 2010, 03:36 PM

Does't sound like it was fully wound to me, mine does just under 47 hours

16610v · 19 April 2010, 03:44 PM

my 16610 V series tested is exactly 48 hrs (very accurate)
maybe u need to take it back to service centre in this case

andrew79 · 19 April 2010, 04:00 PM

Mine was also 32 hours when I checked it... but I believe it wasn't fully wound since I didn't really make 40 - 45 turns....

Watchdog · 19 April 2010, 04:06 PM

Mine has always been in the 40s range.

padi56 · 19 April 2010, 06:43 PM

Quote:

Originally Posted by JJ Irani

PR should be close to 48 hours.

Just give it a full 45 turns of the crown and then note date and time. Set aside for 2 days and then note the time when it stops.

You should get very close to 48 hours with this watch.

JJ

X2 That the only way to check the true power reserve is after a full manual wind.

MagedMS · 20 April 2010, 02:18 AM

Thank you for your comments.. It seems I don't fully wind my Rollies.. I always give it like 20~30 turns. But after making some readings, I found that over winding a Rolex, will not harm its movement..as there is a protecting clutch mechanism..
.. So let me do what JJ & Padi suggested.. I trust them as I trust my GMT2 will make it..

mike · 20 April 2010, 02:21 AM

Quote:

Originally Posted by MagedMS

Thank you for your comments.. It seems I don't fully wind my Rollies.. I always give it like 20~30 turns. But after making some readings, I found that over winding a Rolex, will not harm its movement..as there is a protecting clutch mechanism..
.. So let me do what JJ & Padi suggested.. I trust them as I trust my GMT2 will make it..

Yeah,..Rolex suggests at least 40 full turns.

bewithabob · 20 April 2010, 02:25 AM

I get 40 hours plus, but only if don't use it as back-up power supply for my lap-top

Carlos98326194 · 20 April 2010, 02:29 AM

Quote:

Originally Posted by bewithabob

I get 40 hours plus, but only if don't use it as back-up power supply for my lap-top

Wish rollies' power Reserve could be use on my hp laptop as well

cause hp's battery sucks

lordcon · 20 April 2010, 03:12 AM

You can actually listen and feel for when the clutch slips the winding mechanism to prevent over winding. Observe normal feel and winding noise of the crown on your watch, and after about 40 or so turns, you should notice that the "click" noise that it makes will get louder and not as consistent as before, also it should feel slightly more gritty when you turn it. Thats when you know the watch will wind no more.

NutNut · 22 April 2010, 01:38 PM

This was the longest 2 days I've had without my GMT!

My test started with the watch set at 5:15 am on April 19. Gave it a full 45 turns of the crown and the seconds hand started ticking after 15 revolutions. The watch came to a complete stop at 5:42 am on April 21 clocking in at 48 hours and 27 minutes.

JJ, you were spot on!

Quote:

Originally Posted by JJ Irani

PR should be close to 48 hours.

Just give it a full 45 turns of the crown and then note date and time. Set aside for 2 days and then note the time when it stops.

You should get very close to 48 hours with this watch.

JJ

JJ Irani · 22 April 2010, 04:46 PM

Quote:

Originally Posted by NutNut

This was the longest 2 days I've had without my GMT!

My test started with the watch set at 5:15 am on April 19. Gave it a full 45 turns of the crown and the seconds hand started ticking after 15 revolutions. The watch came to a complete stop at 5:42 am on April 21 clocking in at 48 hours and 27 minutes.

JJ, you were spot on!

Great!! Now that's more like it!! Good result!!

MagedMS · 25 April 2010, 03:58 PM

Thank you all for your support & comments.. I decided to repeat the Power Reserve Test for the second time.
Result: Test started @ 8:40pm.on 22/04 - ended @ 8:40pm. on 24/04 >>> Power Reserve = 48 hrs. sharp.
...Now I feel better.. My GMT2 passed the test !!

JJ Irani · 25 April 2010, 04:14 PM

Quote:

Originally Posted by MagedMS

Thank you all for your support & comments.. I decided to repeat the Power Reserve Test for the second time.
Result: Test started @ 8:40pm.on 22/04 - ended @ 8:40pm. on 24/04 >>> Power Reserve = 48 hrs. sharp.
...Now I feel better.. My GMT2 passed the test !!

Now that's more like it!!

MortgageGuy · 16 June 2010, 12:34 PM

With all of these power reserve tests, I decided to test my 116718 that I just purchased... It also went 48 hours, 29 minutes

Damn, these things are great!

19 April 2010, 03:30 PM	#1
MagedMS "TRF" Member Join Date: Jan 2010 Real Name: Maged Location: Egypt Watch: SUBMARINER 114060 Posts: 514	GMT II C Power Reserve is Unsatisfactory ! Well I keep testing my Rollies.. I donno why ?? Is this a normal behaviour or what ?? Anyway, I was testing my new GMT II C [V serial] this week for accuracy and power reserve .. Well the result for accuracy is excellent [ +2sec/24Hrs ] But the power reserve was UNSATISFACTORY [ 32~34 Hrs ] at Full Tank !!! Is this normal ? I tested the watch several times the dial face up but had the same result ! The GMT 2 specs is [ 48 Hrs ] for the 3186 movement .. Does the power reserve improves by time ? Anyone has the same problem ? I really feel bad for this result.. But I cannot deny that the movement feeling while adjusting hours/min. and winding the GMT II is TOP-NOTCH.. __________________ ROLEX SUBMARINER-114060/116610 LN/116613 LB ROLEX DEEPSEA-116660/116660 DBL/SD43-126600 ROLEX GMT II C-116710 LN/EXPLORER II-216570 BK ROLEX DAYTONA-116503 BLABR ROLEX MILLGAUSS-116400 GV

19 April 2010, 03:35 PM	#2
JJ Irani Fondly Remembered Join Date: May 2005 Real Name: JJ Location: Auckland, NZ Watch: ALL SOLD!! Posts: 74,319	PR should be close to 48 hours. Just give it a full 45 turns of the crown and then note date and time. Set aside for 2 days and then note the time when it stops. You should get very close to 48 hours with this watch. JJ __________________ Words fail me in expressing my utmost thanks to ALL of you for this wonderful support during my hour of need!! I firmly believe that my time on planet earth is NOT yet up!! I shall fight this to the very end.......and WIN!!

20 April 2010, 02:18 AM	#8
MagedMS "TRF" Member Join Date: Jan 2010 Real Name: Maged Location: Egypt Watch: SUBMARINER 114060 Posts: 514	Fully winding My GMT2 Thank you for your comments.. It seems I don't fully wind my Rollies.. I always give it like 20~30 turns. But after making some readings, I found that over winding a Rolex, will not harm its movement..as there is a protecting clutch mechanism.. .. So let me do what JJ & Padi suggested.. I trust them as I trust my GMT2 will make it.. __________________ ROLEX SUBMARINER-114060/116610 LN/116613 LB ROLEX DEEPSEA-116660/116660 DBL/SD43-126600 ROLEX GMT II C-116710 LN/EXPLORER II-216570 BK ROLEX DAYTONA-116503 BLABR ROLEX MILLGAUSS-116400 GV

20 April 2010, 02:25 AM	#10
bewithabob "TRF" Member Join Date: Jan 2008 Real Name: Bob Location: Dallas, Texas Watch: Daytona Meteorite Posts: 3,417	I get 40 hours plus, but only if don't use it as back-up power supply for my lap-top __________________ meteor flying to Earth onto my wrist... 116509 Daytona Meteorite, 116520 Daytona Black, 116710 GMTIIC, 16013 DATEJUST, CARTIER SANTOS 100 W20090X8, IWC Big Pilot, IWC Top Gun "Everything works out in the end. If it hasn't worked out, it's not the end."

25 April 2010, 03:58 PM	#15
MagedMS "TRF" Member Join Date: Jan 2010 Real Name: Maged Location: Egypt Watch: SUBMARINER 114060 Posts: 514	My GMT2 passed the second test... Thank you all for your support & comments.. I decided to repeat the Power Reserve Test for the second time. Result: Test started @ 8:40pm.on 22/04 - ended @ 8:40pm. on 24/04 >>> Power Reserve = 48 hrs. sharp. ...Now I feel better.. My GMT2 passed the test !! __________________ ROLEX SUBMARINER-114060/116610 LN/116613 LB ROLEX DEEPSEA-116660/116660 DBL/SD43-126600 ROLEX GMT II C-116710 LN/EXPLORER II-216570 BK ROLEX DAYTONA-116503 BLABR ROLEX MILLGAUSS-116400 GV

19 April 2010, 03:36 PM	#3
swatty 2024 SubLV41 Pledge Member Join Date: Dec 2007 Real Name: Peter Location: Sydney Watch: The Game Posts: 17,414	Does't sound like it was fully wound to me, mine does just under 47 hours

19 April 2010, 03:44 PM	#4
16610v "TRF" Member Join Date: Mar 2010 Location: YL Watch: Submariner Posts: 701	my 16610 V series tested is exactly 48 hrs (very accurate) maybe u need to take it back to service centre in this case

19 April 2010, 04:00 PM	#5
andrew79 "TRF" Member Join Date: Apr 2010 Real Name: Andrew Location: Indonesia Watch: Rolex Posts: 2,277	Mine was also 32 hours when I checked it... but I believe it wasn't fully wound since I didn't really make 40 - 45 turns....

19 April 2010, 04:06 PM	#6
Watchdog "TRF" Member Join Date: Feb 2009 Real Name: Junkyard Dog Location: The Doghouse Watch: I can't tell time Posts: 6,815	Mine has always been in the 40s range.

20 April 2010, 03:12 AM	#12
lordcon "TRF" Member Join Date: Feb 2008 Real Name: Jason Location: MD, USA Watch: 16600 SD_Z serial Posts: 309	You can actually listen and feel for when the clutch slips the winding mechanism to prevent over winding. Observe normal feel and winding noise of the crown on your watch, and after about 40 or so turns, you should notice that the "click" noise that it makes will get louder and not as consistent as before, also it should feel slightly more gritty when you turn it. Thats when you know the watch will wind no more.

16 June 2010, 12:34 PM	#17
MortgageGuy "TRF" Member Join Date: Jun 2009 Real Name: Adam Location: Orlando, Florida Watch: Me Posts: 9,935	With all of these power reserve tests, I decided to test my 116718 that I just purchased... It also went 48 hours, 29 minutes Damn, these things are great! __________________ The richest people in the world look for and build NETWORKS, Everyone else looks for work... Robert Kiyosaki

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