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nintendo · 21 April 2015, 09:41 PM

My BLNR's crown seems tighter to unscrew as compared to my subc date. Anyone has similar experience?

padi56 · 21 April 2015, 10:02 PM

Quote:

Originally Posted by nintendo

My BLNR's crown seems tighter to unscrew as compared to my subc date. Anyone has similar experience?

Just use it a bit then it will loosen up, or put a very tiny bit of Fomblin grease on threads with say a tooth pick. Fomblin is a brand name for white lithium grease and that's whats Rolex themselves use.

brettpaul · 22 April 2015, 02:04 AM

More knowledge - thanks Padi!!

Nycturbovr6 · 22 April 2015, 02:14 AM

Great tip padi

gummy · 22 April 2015, 02:50 AM

Have the same issue with my Sub-C LV...Always thought it was weird and just dealt with it.

I'm gonna try the Fomblin grease!

Thanks Padi

NorthernPike · 22 April 2015, 02:55 AM

I use silicone grease, same as I use on O rings of all my other diving equipment.

Annan · 22 April 2015, 03:14 AM

Had the same issue with my 116710. After 6 months it seemed to loosen. Actually, I appreciated the fact that it was tight.

SemperFi · 22 April 2015, 03:58 AM

That's probably a good thing and will loosen some over time. Nothing to be concerned about.

nintendo · 22 April 2015, 01:13 PM

Thanks everyone! Was just concerned if the tight crown would damage the screw thread overtime. Seems like undue worries. Might try the silicone grease, not sure if I can find any of the Fomblin grease here in Singapore.

NorthernPike · 22 April 2015, 01:24 PM

You need a very tiny amount. I use it to keep my O ring healthy and flexible. It will attract dirt. After a month or 2 you'll need to carefully wipe away the dirt or it will cause the O ring to wear. Typical of any dive gear, you have to maintain your O rings.

Brian Page · 22 April 2015, 02:06 PM

Quote:

Originally Posted by NorthernPike

You need a very tiny amount. I use it to keep my O ring healthy and flexible. It will attract dirt. After a month or 2 you'll need to carefully wipe away the dirt or it will cause the O ring to wear. Typical of any dive gear, you have to maintain your O rings.

True True

Nairn1980 · 14 June 2015, 07:49 PM

I have noticed this with my Blnr too and it can be really tricky to get the crown out to the final position (that stops the second hand)

padi56 · 14 June 2015, 07:57 PM

Quote:

Originally Posted by Nairn1980

I have noticed this with my Blnr too and it can be really tricky to get the crown out to the final position (that stops the second hand)

Today most crown related problems are simply down to the winding crown not being used enough.With today's many Rolex myths on the net like if I use the winding crown it will wear the threads out etc which is complete boswelocks.As crown tubes are just disposable items, and are replaced at normal routine service, same for the mainspring plus winding crowns are often replaced too.

JRT · 14 June 2015, 09:15 PM

Is it due to the fact that your BLNR is newer than your Subc date?

nintendo · 21 June 2015, 02:29 PM

My blnr is indeed newer than my subc. When I sent in my blnr for regulation. I surfaced the issue on the tight crown and the technician simply lubricated the screw thread and all is well now.

21 April 2015, 09:41 PM	#1
nintendo "TRF" Member Join Date: Mar 2014 Location: Singapore Posts: 333	BLNR crown seems tight My BLNR's crown seems tighter to unscrew as compared to my subc date. Anyone has similar experience?

22 April 2015, 02:04 AM	#3
brettpaul "TRF" Member Join Date: Sep 2008 Real Name: Brett Location: Bahrain, Dubai Watch: Rolex and AP Posts: 5,538	More knowledge - thanks Padi!! __________________ Photostream on Instagram brett_in_bahrain

22 April 2015, 03:14 AM	#7
Annan "TRF" Member Join Date: Jun 2011 Real Name: Ron Location: Arizona, USA Watch: 116233 Posts: 3,180	Had the same issue with my 116710. After 6 months it seemed to loosen. Actually, I appreciated the fact that it was tight. __________________ *so many Rolexes.....so little time*

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22 April 2015, 02:14 AM	#4
Nycturbovr6 "TRF" Member Join Date: Aug 2012 Location: New York Posts: 7,630	Great tip padi

22 April 2015, 02:50 AM	#5
gummy 2024 SubLV41 Pledge Member Join Date: Apr 2012 Real Name: Thomas Location: Midwest USA Watch: AP PP Rolex Posts: 3,348	Have the same issue with my Sub-C LV...Always thought it was weird and just dealt with it. I'm gonna try the Fomblin grease! Thanks Padi

22 April 2015, 02:55 AM	#6
NorthernPike "TRF" Member Join Date: Feb 2010 Location: Ontario, Canada Watch: LV, 1949 Everest Posts: 464	I use silicone grease, same as I use on O rings of all my other diving equipment.

22 April 2015, 03:58 AM	#8
SemperFi "TRF" Member Join Date: Sep 2014 Real Name: Angelo Location: Brooklyn, NY Watch: Rolex Submariner Posts: 42,164	That's probably a good thing and will loosen some over time. Nothing to be concerned about.

22 April 2015, 01:13 PM	#9
nintendo "TRF" Member Join Date: Mar 2014 Location: Singapore Posts: 333	Thanks everyone! Was just concerned if the tight crown would damage the screw thread overtime. Seems like undue worries. Might try the silicone grease, not sure if I can find any of the Fomblin grease here in Singapore.

22 April 2015, 01:24 PM	#10
NorthernPike "TRF" Member Join Date: Feb 2010 Location: Ontario, Canada Watch: LV, 1949 Everest Posts: 464	You need a very tiny amount. I use it to keep my O ring healthy and flexible. It will attract dirt. After a month or 2 you'll need to carefully wipe away the dirt or it will cause the O ring to wear. Typical of any dive gear, you have to maintain your O rings.

14 June 2015, 07:49 PM	#12
Nairn1980 "TRF" Member Join Date: Jan 2010 Location: UK Watch: GMT Posts: 8,385	I have noticed this with my Blnr too and it can be really tricky to get the crown out to the final position (that stops the second hand)

14 June 2015, 09:15 PM	#14
JRT "TRF" Member Join Date: Mar 2015 Location: Taiwan Watch: Rolex BLNR Posts: 2,308	Is it due to the fact that your BLNR is newer than your Subc date?

21 June 2015, 02:29 PM	#15
nintendo "TRF" Member Join Date: Mar 2014 Location: Singapore Posts: 333	My blnr is indeed newer than my subc. When I sent in my blnr for regulation. I surfaced the issue on the tight crown and the technician simply lubricated the screw thread and all is well now.

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