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Old 2 April 2009, 08:02 AM   #1
rdwiow
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Rolex Crown lubricant Fomblin UT18

Hi

I am new to this forum, but quite active with other watch forums, I look forward to participating here.

I have a question that hopefully somebody can help with. I have a 16610 and the crown thread and seal is rather dry, I did a google search on what I should use and it suggests Fomblin UT18. I can only find this in 100g tubes at a horrendous price! Is there an alternative or anywhere that will decant a smaller amount? I have used silicone grease in the past but it doesn't give the same smoothness.

Any help appreciated

Rob
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Old 2 April 2009, 08:10 AM   #2
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How long have you had the watch for?
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Old 2 April 2009, 08:13 AM   #3
rdwiow
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How long have you had the watch for?
Hi

I have not had the watch long, but it dates from 1999.

Rob
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Old 2 April 2009, 08:18 AM   #4
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Welcome to the Forum..

Fomblin is what Watchmakers would use to lube the case tube threads.. I don't see why your Dealer's watchmaker wouldn't simply lube that for you. Have you tried Otto Frei (Ofrei.com) for your lube needs ?

Perhaps a member has a better source for someplace in your area....

I live in the Desert and have never had an issue with dry "O" rings on any of my watches.....
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Old 2 April 2009, 08:26 AM   #5
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I would not mess with it.....you already used another lube on it a while back maybe that messed it up?
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Old 2 April 2009, 09:06 AM   #6
diablojota
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Considering it is a 1999 and your seals are drying up, my recommendation would be to have it serviced by either a Rolex Service Center or an independent watchmaker (there's a list on this forum for recommended watchmakers). That would be one of the things they would replace in a service.
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Old 2 April 2009, 09:55 AM   #7
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yea like the others said, is there a AD that will take care of this for you? I am wondering if you get any of the lubricant on the metal if it will tarnish it
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Old 2 April 2009, 05:00 PM   #8
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Rob,

Let me know what you end up doing, I have the same issue but my watch does not need an overhaul either.
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Old 3 April 2009, 03:19 AM   #9
rdwiow
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Thanks for all your input, I don't have an AD near me, so it will have to wait I think.

Many thanks
Rob
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Old 6 April 2009, 09:12 AM   #10
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So...

I have been racking my brain about where I have heard "Fomblin" before. Back in the early 90s, there was an auto polish called "AutoFom" that contained Fomblin.


I seriously doubt you'd want to use it in your watch, but I'm happy I finally figured out why that word rang a bell.
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Old 6 April 2009, 09:23 AM   #11
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I use the WD40 pen on all of mine works great!
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Old 6 April 2009, 09:27 AM   #12
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Long time user of Subs, (since 1971) and my experience says DO NOT use anything, as with pollution and dust, hair and sweat salts, any lubricant will become a "grinding" mean and ruin your threads and the seal in the crown.

I used to unscrew some threads the crown, just BEFORE exposing the "O" ring (when watch was dry), and clean by a soft toothbrush the part between the case and the "O" ring from all "derbis" collected. After that, with a pin I was checking the "elasticity" of the "O" ring. If this was good, there was no way the various particles would go any further inside. If not, and the "O" ring was "dry", I would change the "O" ring. And mind you, my watches were used for diving, in sea water and in the Greek dry climate with lots of dust.

So, I would suggest to have the "O" ring checked and changed if dry. If in good condition, nothing can get to the threads.
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Old 13 May 2009, 01:48 PM   #13
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Fomblin UT18 is expensive, has anyone used "Silicone 7" or the other o-ring sealers out there?
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Old 13 May 2009, 08:12 PM   #14
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My AD does it for me at no charge, it takes about 60 seconds. I think the normal fee is $25 or so.
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Old 13 May 2009, 08:57 PM   #15
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wd40 is not a lubricant,its a degreaser,wd40 stands for Work Days 40
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Old 13 May 2009, 09:02 PM   #16
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I thought WD40 stood for "Water Displacement perfected on the 40th try".
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Old 13 May 2009, 09:02 PM   #17
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I use the WD40 pen on all of mine works great!
WD40 will rot an 'O' ring!!
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Old 13 May 2009, 09:07 PM   #18
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Quote:
Originally Posted by chu88y View Post
wd40 is not a lubricant,its a degreaser,wd40 stands for Work Days 40
Quote:
Originally Posted by RJC View Post
WD40 will rot an 'O' ring!!
I beg to differ have been using it for years with no harm whatsoever.

FIVE PRODUCTS IN ONE - THE 5 FUNCTIONS


CLEANS: WD-40 gets under dirt, marks and grease making it easy to wipe away. It also dissolves adhesives, allowing easy removal of labels, tape, and stickers


PROTECTS: WD-40 protects metal surfaces with corrosion-resistant ingredients to shield against moisture and other corrosive elements


LUBRICATES: WD-40's lubricating ingredients are widely dispersed and hold firmly to all moving parts


PENETRATES: WD-40 loosens rust-to-metal bonds and frees stuck, frozen or rusted metal parts


DISPLACES MOISTURE: Because WD-40 displaces moisture, it quickly dries out electrical systems to eliminate moisture-induced short circuits. Turn the power off before you spray

PRODUCT INFORMATION

WD-40 protects metal from rust and corrosion, penetrates stuck or jammed parts, displaces moisture, and lubricates just about anything. WD-40 is also great when it comes to cleaning grease, grime, and other marks from most surfaces. This high performance lubricant will also drive out moisture.Suitable for use on all metal and non-metal surfaces including wood, glass, vinyl, rubber,silicon and most plastics.
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Old 13 May 2009, 09:08 PM   #19
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was informed by our engineer,when I wanted some to lube a squeaky door at work
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Old 13 May 2009, 09:12 PM   #20
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just googled it and "I stand corrected" does exactly what it says on the tin lol
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Old 13 May 2009, 09:30 PM   #21
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Quote:
Originally Posted by padi56 View Post
I beg to differ have been using it for years with no harm whatsoever.

FIVE PRODUCTS IN ONE - THE 5 FUNCTIONS


CLEANS: WD-40 gets under dirt, marks and grease making it easy to wipe away. It also dissolves adhesives, allowing easy removal of labels, tape, and stickers


PROTECTS: WD-40 protects metal surfaces with corrosion-resistant ingredients to shield against moisture and other corrosive elements


LUBRICATES: WD-40's lubricating ingredients are widely dispersed and hold firmly to all moving parts


PENETRATES: WD-40 loosens rust-to-metal bonds and frees stuck, frozen or rusted metal parts


DISPLACES MOISTURE: Because WD-40 displaces moisture, it quickly dries out electrical systems to eliminate moisture-induced short circuits. Turn the power off before you spray

PRODUCT INFORMATION

WD-40 protects metal from rust and corrosion, penetrates stuck or jammed parts, displaces moisture, and lubricates just about anything. WD-40 is also great when it comes to cleaning grease, grime, and other marks from most surfaces. This high performance lubricant will also drive out moisture.Suitable for use on all metal and non-metal surfaces including wood, glass, vinyl, rubber,silicon and most plastics.
Speak to any Dive equipment manufacturer - WD40 + O-rings don't mix!

But, hey, each to their own!!
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Old 13 May 2009, 10:14 PM   #22
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WD40 discussions aside the watch doesn't need a quick fix it needs an overhaul, till then I would assume the watch isn't watertight and the movement needs cleaning/lube anyway.

On the WD40 I thought it was developed by the military to be a "water displacement" protection stuff. I only ever use it as a degrease and to aid in taking things apart but lets face it there is something better for every task you use the stuff for. Lubrication there are far better oils, degreaser the auto parts cleaner cuts better with easier cleanup and for stuck bolts any liquid wrench penetrating oil type thing penetrates faster and deeper, for protection the oil in WD40 is very light and dissipates quickly. WD40 is a hack tool.
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Old 14 May 2009, 03:23 AM   #23
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Old 14 May 2009, 04:30 AM   #24
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Petroleum based products rot rubber.
WD-40 should not be used. Silicone based grease or Fomblin.
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Old 14 May 2009, 04:48 AM   #25
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This thread is spooky as I actually took delivery of some Fomblin UT 18 today for this very job. It had to be ordered from Switzerland and took 4 weeks to arrive.

https://www.watchtool.co.uk/bergeon-...eeb7d87be68e7b

I know it is good stuff as a few weeks ago I took one of my watches to Rolex London as I had a gritty crown thread. The lady at St James Square lubricated with Fomblin and all is now super smooth.
This set me thinking as we have quite a few watches with screw down crowns and I thought time to buy some.
I researched all over the place for somewhere to sell me just enough to do the job, with no joy. Just under £40 for 20g is expensive but the train fare down to London cost about £25. I thought buy it once, use it sparingly and keep it for years!!

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Old 14 May 2009, 08:38 AM   #26
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Quote:
Originally Posted by nc42acc View Post
I thought WD40 stood for "Water Displacement perfected on the 40th try".
You sir are correct! Actually the way it was explained to me, 40th formulation, same diff...

Ken

1512, 16622
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Old 14 May 2009, 09:06 AM   #27
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I think you just need to push the crown in a bit harder and turn it and then after several uses, you should notice that "grinding" feel of the thread dissappears. At least that is my experience with my two subs.
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Old 3 May 2012, 11:59 PM   #28
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I use ClickLube UT-18 for the o-rings, crown threads, gaskets, etc. It has the Fomblin UT-18 grease in it. Comes in a 5 gram click pen. It's very neat and easy to apply, no mess.
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Old 4 May 2012, 12:04 AM   #29
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a useful old thread brought back to life, thanks
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