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JohnBaker3 · 29 May 2014, 02:17 AM

Hey Guys:

After going through the motions of returning my 1970 vintage 5513 to "original" I wanted to post some details that might help others...

The crown, stem and case tube must all match to make things work. I have found 2, if not 3, different versions of the "twin-lock" 24-7000 case tube from Rolex. That doesn't even include the after-market versions.

The correct crown is referenced 24-700....

Broaching tools may or may not be required to insert/clean the tube once it is attached to the case....just depends on which tube you get to use....

Here are some photos; I hope that they help....

Most of the pics are from internet sources...

Pharmlou · 9 October 2015, 11:16 AM

Old thread, but trying to make my 67 5513 as waterproof as possible also with the original twinlock crown that it came with. I have managed to find a 24/7000 case tube that does not have splines. It does not have a case to case tube washer or gasket like the latter ones and I understand that they did not originally come with one BUT, seeing as when Rolex changed them over to triple lock crowns they would have ended up using said washer anyway, what is to stop us from using the washer from the newer casetube with the old casetube. Sounds like I am rambling....

gmg_3 · 9 October 2015, 10:11 PM

The outer case to tube gasket should work from 703/704 to 700.. both OD measure approximately 3mm.

IMO that is the least important gasket..

JohnBaker3 · 21 October 2015, 05:36 AM

I am sure that most watchmakers would insert the case tube using some Loctite thread locker...

This would be better than an O-ring at the base of the case tube/case interface IMHO.

It would never be better than the complete Trip-Lock system but it is not "original" to the pre-1973 Sub 5513's...

29 May 2014, 02:17 AM	#1
JohnBaker3 2024 Pledge Member Join Date: Feb 2014 Real Name: John Baker III Location: Spring,Texas Watch: 1971 Red Sub Posts: 2,222	Submariner Twin-lock Case Tube Information Hey Guys: After going through the motions of returning my 1970 vintage 5513 to "original" I wanted to post some details that might help others... The crown, stem and case tube must all match to make things work. I have found 2, if not 3, different versions of the "twin-lock" 24-7000 case tube from Rolex. That doesn't even include the after-market versions. The correct crown is referenced 24-700.... Broaching tools may or may not be required to insert/clean the tube once it is attached to the case....just depends on which tube you get to use.... Here are some photos; I hope that they help.... Most of the pics are from internet sources... Attached Images __________________ As I've grown older, I've learned that pleasing everyone is impossible, but pissing off everyone is a piece of cake.

9 October 2015, 11:16 AM	#2
Pharmlou "TRF" Member Join Date: Apr 2015 Real Name: Louis Location: Australia Watch: 114060 16710 5513 Posts: 95	Old thread, but trying to make my 67 5513 as waterproof as possible also with the original twinlock crown that it came with. I have managed to find a 24/7000 case tube that does not have splines. It does not have a case to case tube washer or gasket like the latter ones and I understand that they did not originally come with one BUT, seeing as when Rolex changed them over to triple lock crowns they would have ended up using said washer anyway, what is to stop us from using the washer from the newer casetube with the old casetube. Sounds like I am rambling.... Last edited by Pharmlou; 9 October 2015 at 11:17 AM.. Reason: spelling

21 October 2015, 05:36 AM	#4
JohnBaker3 2024 Pledge Member Join Date: Feb 2014 Real Name: John Baker III Location: Spring,Texas Watch: 1971 Red Sub Posts: 2,222	I am sure that most watchmakers would insert the case tube using some Loctite thread locker... This would be better than an O-ring at the base of the case tube/case interface IMHO. It would never be better than the complete Trip-Lock system but it is not "original" to the pre-1973 Sub 5513's... Attached Images __________________ As I've grown older, I've learned that pleasing everyone is impossible, but pissing off everyone is a piece of cake.

9 October 2015, 10:11 PM	#3
gmg_3 "TRF" Member Join Date: Oct 2013 Location: jersey Posts: 102	The outer case to tube gasket should work from 703/704 to 700.. both OD measure approximately 3mm. IMO that is the least important gasket..

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