GMTIIc Power Reserve Test

[bewithabob]

Just concluded a power reserve test of my GMCIIc M serial-

Beginning with the watch at a dead stop, I wound the stem 45 turns, then left it sitting face up, without moving it, at average temperature of 70 degrees F

Start 19:45:00 April 22nd
Stop 18:52:03pm April 24th

47 hours, 07 minutes 03 seconds

Will do exact same test with all my watches.

Am curious if other TRF members get similar results....

[Colnago]

That's a cool test, almost two whole days.....pretty good....I am planning on doing these tests as well on mine, waiting for a Tudor to arrive with the Valjoux 7750 movement and I am doing the test on that for definite, the power reserve is quoted at between 40 and 45 hours so I am interested to see....I also have a GMT IIc so I will do it on that too.....and probably the others as well......interesting

[therolexguy]

Originally Posted by bewithabob

Just concluded a power reserve test of my GMCIIc M serial-
Am curious if other TRF members get similar results....

Will post the results Monday.

[Andad]

See some results here.

http://www.rolexforums.com/showthrea...=power+reserve

[Colnago]

Nice link Eddie.....I must have missed your tests...the Daytona did great eh....even with the chrono running it still topped 71 hours 30 mins fantastic

[Andad]

I was also surprised at how little difference running the chrono made. Previous posts I had read were talking about a 20% power reduction.

[bewithabob]

Originally Posted by therolexguy

Will post the results Monday.

Todd

I posted my results to JJ's thread, which stimulated me.
Next, will do each of my Daytonas separately, then each of my IWCs separately. The Cartier which has a Valjous movement, and finally the DATEJUST.

As I keep going, I think it will get even more interesting, when finally I get to the pocketwatch that I inherited from my grandfather (serviced within the past 5 years I think).




__________________
meteor flying to Earth onto my wrist...

[JJ Irani]

Originally Posted by bewithabob

Just concluded a power reserve test of my GMCIIc M serial-

Beginning with the watch at a dead stop, I wound the stem 45 turns, then left it sitting face up, without moving it, at average temperature of 70 degrees F

Start 19:45:00 April 22nd
Stop 18:52:03pm April 24th

47 hours, 07 minutes 03 seconds

Will do exact same test with all my watches.

Am curious if other TRF members get similar results....

That is a fair result, but you might want to carry out the test again. You should have got closer to 48 hours.

JJ

[MagedMS]

I've just finished testing my GMT2 for the second time.. After fully winding the movement, now it's [ 48 Hrs. ] sharp.
My test link: http://www.rolexforums.com/showthread.php?t=125365

[bewithabob]

Originally Posted by directioneng

See some results here.

http://www.rolexforums.com/showthrea...=power+reserve

Thanks! Am going to keep going and include some additional models not on your list.

:thumbsu p:

[bewithabob]

Originally Posted by JJ Irani

That is a fair result, but you might want to carry out the test again. You should have got closer to 48 hours.

JJ

Yep. Just another excuse to wear one of my IWCs. Maybe will wear the Top Gun this time....

[therolexguy]

I just finished my new GMTIIC timing test:

Started Saturday 4/24 at 12:00 noon
it stopped Monday 4/26 @ 11:43:38 a.m.

According to my calculations about 47 hours, 44 minutes.....not bad.

[Puffy]

I got 40 hours out of my Sub the other day, so doing it over 3 days to get the average..

[JJ Irani]

Originally Posted by therolexguy

I just finished my new GMTIIC timing test:

Started Saturday 4/24 at 12:00 noon
it stopped Monday 4/26 @ 11:43:38 a.m.

According to my calculations about 47 hours, 44 minutes.....not bad.

That's a good result, buddy................and just what would be expected from such a watch!!

JJ