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Zed82 · 12 December 2010, 09:50 AM

Ever since i bought my LV i have experienced that the crown does not screw in as smooth as on my Omega PO, i thought that it was just the way Rolex crowns were until i tried the crown on my friends SDDS.

It was silky smooth just as on my PO. I have searched the forum for similar issues and found that watchmakers use some type of grease "Fomblin" on the threads. Could this be that simple? I hope it´s not crossthreaded or anything...

I have no issues screwing in the crown though, its just that gritty feel.

Grateful for any input on the matter.

padi56 · 13 December 2010, 12:05 AM

Could be just a simple bit of dirt on the threads and yes they do use Fomblin
on the crown tube,would doubt if its cross threaded.Most crown problems are down to they are not used enough, myself like to manual wind once to twice a week whatever watch I am wearing.

Zed82 · 13 December 2010, 02:14 AM

Quote:

Originally Posted by padi56

Could be just a simple bit of dirt on the threads and yes they do use Fomblin
on the crown tube,would doubt if its cross threaded.Most crown problems are down to they are not used enough, myself like to manual wind once to twice a week whatever watch I am wearing.

Thanks for the answer padi. I doubt its dirt because its been like this ever since it was new.

I will consult a watchmaker tomorrow, its also been off timewise approx. plus ~15sec/day as well so i guess it needs to be looked over in several aspects...

Tools · 13 December 2010, 03:19 AM

Fomblin is a brand name for simple hi-temp white grease............

A bit of dry air to blow everything clean, and a touch of grease and it'll probably screw itself on............

f-du-27 · 13 December 2010, 03:45 AM

I use Vaseline Paste. It's thick, do not leak and do not stick to everything like silicone (main use small machines which should stay clean) .

But is it OK for watch gaskets ?

ddnyc77 · 13 December 2010, 04:43 AM

my LV had a cross thread issue. It turned ok but not silky smooth like my 14060M, new crown is $105 at RSC

12 December 2010, 09:50 AM	#1
Zed82 "TRF" Member Join Date: Dec 2009 Real Name: Zlatan Location: Sweden Posts: 357	Issue with screwing the crown back in... Ever since i bought my LV i have experienced that the crown does not screw in as smooth as on my Omega PO, i thought that it was just the way Rolex crowns were until i tried the crown on my friends SDDS. It was silky smooth just as on my PO. I have searched the forum for similar issues and found that watchmakers use some type of grease "Fomblin" on the threads. Could this be that simple? I hope it´s not crossthreaded or anything... I have no issues screwing in the crown though, its just that gritty feel. Grateful for any input on the matter. __________________ "The world´s your oyster..."

13 December 2010, 12:05 AM	#2
padi56 "TRF" Life Patron Join Date: Jun 2005 Real Name: Peter Location: Llanfairpwllgwyng Watch: ing you. Posts: 53,032	Could be just a simple bit of dirt on the threads and yes they do use Fomblin on the crown tube,would doubt if its cross threaded.Most crown problems are down to they are not used enough, myself like to manual wind once to twice a week whatever watch I am wearing. __________________ ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder

13 December 2010, 03:19 AM	#4
Tools TRF Moderator & 2024 SubLV41 Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,494	Fomblin is a brand name for simple hi-temp white grease............ A bit of dry air to blow everything clean, and a touch of grease and it'll probably screw itself on............ __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

13 December 2010, 03:45 AM	#5
f-du-27 "TRF" Member Join Date: Nov 2009 Real Name: François Location: France Posts: 169	I use Vaseline Paste. It's thick, do not leak and do not stick to everything like silicone (main use small machines which should stay clean) . But is it OK for watch gaskets ?

13 December 2010, 04:43 AM	#6
ddnyc77 Member Join Date: Dec 2009 Location: nyc Posts: 425	my LV had a cross thread issue. It turned ok but not silky smooth like my 14060M, new crown is $105 at RSC

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