Rolex Crown Position?

[rmcarlton]

Does anyone have a copy of the Rolex sheet that tells you how to speed up or slow down a Rolex by the crown position? I've seen the image before, but can't seem to find it. Might that be a good sticky for one of the sub forms? Thanks.

[SLS]

It realy applies to the older 15XX movements IMO, not for modern pieces.
Scott

[Idle Swede]

Originally Posted by rmcarlton

Does anyone have a copy of the Rolex sheet that tells you how to speed up or slow down a Rolex by the crown position? I've seen the image before, but can't seem to find it. Might that be a good sticky for one of the sub forms? Thanks.

I know i have it on my computer but can't for the life of me find it.

If no one else steps up I'll try to find it later.

[BigHat]

I highly suggest you disregard this as it's no longer germane. Of course, no harm in experimenting.

[shaggy]

here you are mate is this what you are looking for?

[Foxy]

Works for me on a V sub!

[allanofcalifornia]

Does this work on the newer Rolex models?


Allan

[BigHat]

Originally Posted by allanofcalifornia

Does this work on the newer Rolex models?


Allan

Most people would say no. I haven't hadn't much luck, but admit that it matters so little to me I haven't fooled around with it for awhile, they just go into the winder.

The LV owner seems to think so, why not experiment and see if you get the predictable results. Rate results are measured in many positions and certainly vary, but not always the same way.

You can also read volumes on the impact of position on fast beat watches if you do a search.

[ayecarumba]

Originally Posted by BigHat

Most people would say no. I haven't hadn't much luck, but admit that it matters so little to me I haven't fooled around with it for awhile, they just go into the winder.

The LV owner seems to think so, why not experiment and see if you get the predictable results. Rate results are measured in many positions and certainly vary, but not always the same way.

You can also read volumes on the impact of position on fast beat watches if you do a search.

Dunno guys....ref this excellent GMT IIc review from Watchtime by Jens Koch in which they note differences in the accuracy consistent with the advice given in these older brochures...

May have to experiment a bit....

http://rolexforums.com/showthread.ph...09#post1193809

Rolex GMT-Master II
Manufacturer: Rolex SA,
Rue François-Dussaud 3-7, CH-1211 Geneva
Model: Oyster Perpetual GMT-Master II
Reference number: 116718 LN
Functions: Hours, minutes, seconds, date,
second time zone, stop-seconds function.
Movement: Self-winding Caliber 3186;
diameter = 28.5 mm; height = 6.6 mm;
28,800 vibrations per hour; 31 jewels; Kif shock
absorption; Glucydur balance with Microstella
regulating weights, around 50-hour power
reserve.
Case: Yellow gold case; fully threaded screw-in
back; sapphire crystal with magnifying lens;
crown protection; screwed Triploc crown; watertight
to 100 meters.
Wristband and clasp: Yellow gold Oysterlock
bracelet with safety clasp.
Rate results:
(Deviations in seconds per 24 hours)
Dial up +2
Dial down: +3
Crown up: +2
Crown down: –1
Crown left: +2
Crown right: –1
Greatest deviation of rate: 4
Average deviation: +1.2
Mean amplitude
flat positions: 287°
hanging positions: 260°
Dimensions: Diameter = 40 mm;
height = 12.1 mm; weight = 216 grams

[Tools]

The effects of gravity on any mechanical watch has stayed the same.... it does work, it is physics....

However, the newer fast-beat movements use a stronger mainspring and operate much faster, so positional adjustment is much less than before...

Where in the past you may have seen a second or two overnight, with a modern movement it could only be a fraction of a second.........much more difficult to observe...

However, over time, if you know that your watch is either fast or slow, the habit to rest it a certain way can help minimize the deviation....

[BigHat]

Originally Posted by ayecarumba

Dunno guys....ref this excellent GMT IIc review from Watchtime by Jens Koch in which they note differences in the accuracy consistent with the advice given in these older brochures...

May have to experiment a bit....

Paul,
Concur that experimentation is always good. Your post was basically in support of my post. Other watches will show results different than this one and often in a different direction from the old advice.
Again, not up to speed on this, so all should feel free to play around and see if they can make a change based on position.

For me, I'm not so interested in the game of trying to keep it as close as possible. I have quartz watches that painlessly do much better. I have no problem resetting a watch after I take it out of the winder after a week or two.

Good luck everybody. Pay close attention to what you do and let us know how it turns out.

[rmcarlton]

Thank you all for the great information. Man, I love this place!