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Old 3 February 2017, 04:40 AM   #1
Perks
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Crown Spring

Hi,

I have a couple of Rolex crowns that need a new springs in them, does anyone have some tips on how to get them apart without crushing the tube?

Thanks,
Chris
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Old 4 February 2017, 05:16 AM   #2
bobridley
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Originally Posted by Perks View Post
Hi,

I have a couple of Rolex crowns that need a new springs in them, does anyone have some tips on how to get them apart without crushing the tube?

Thanks,
Chris

Chris,

As you may know, many of the crown designs use/d a threaded spring loaded tube.
In brief, one application I like using is the lathe chuck. The friction fit hold is even (without crushing) and also greater than the torque needed to turn off the crown cap.

Bob
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Old 22 February 2017, 09:32 PM   #3
Perks
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ahh yeah that worked a treat thanks, don't know why I didn't think of that.

Thanks,

Chris
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Old 4 March 2017, 12:47 AM   #4
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Bob....
Hopefully you may know or help...
I previously posted about my needing a crown for my V serial DJ and wondering if there is a difference between the B24-600-8
Vs the 24-600-8 crown and it's application for a V Serial datejust??
Help ...!
Tia
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Old 4 March 2017, 08:51 AM   #5
bobridley
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Bob....
Hopefully you may know or help...
I previously posted about my needing a crown for my V serial DJ and wondering if there is a difference between the B24-600-8
Vs the 24-600-8 crown and it's application for a V Serial datejust??
Help ...!
Tia
Hi Tia,

1. I believe the "B"24-600-8 crown and 24-600-8 crown to be the same.

2. Assuming that your V serial number Date Just is a 116208 or 116138 style, the older 24-600-8 crown is not compatible. Instead, the appropriate crown is a 24-604-8.

Bob
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Old 4 March 2017, 09:39 AM   #6
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Originally Posted by bobridley View Post
Hi Tia,

1. I believe the "B"24-600-8 crown and 24-600-8 crown to be the same.

2. Assuming that your V serial number Date Just is a 116208 or 116138 style, the older 24-600-8 crown is not compatible. Instead, the appropriate crown is a 24-604-8.

Bob
.
Bob, Thank you a Million times over...
Just to clarify, so since my V serial Date Just is a 116233 ( and not the 116208 or 116136 style, where the older 24-600-8 crown is not compatible.), then the 'B' 24-600-8 Crown is the same as the 24-600-8 Crown..as you mentioned in #1...
If that be the case.. then I think I've got it...!!
Again.........
Thank you sooo much for the clarification...!!
Regards
Thomas/Jatco
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Old 2 April 2017, 12:16 AM   #7
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....We'll, as it turns out...the B24-600-8 is not the same as the 24-600-8 as we thought as I posted on my other thread.
The B stem is wider than the regular 24-600-8.... and probably for the older 16233 and ilk.
So the search goes on!!!
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Old 3 April 2017, 04:14 AM   #8
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Quote:
Originally Posted by jatco View Post
....We'll, as it turns out...the B24-600-8 is not the same as the 24-600-8 as we thought as I posted on my other thread.
The B stem is wider than the regular 24-600-8.... and probably for the older 16233 and ilk.
So the search goes on!!!
Thomas,

I believe the 24-604-3 Crown and the 24-5330-0 Case Tube to be the components made per your case 116233 design.
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File Type: jpg 116233 Crown.jpg (19.1 KB, 295 views)
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Old 3 April 2017, 04:35 AM   #9
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Thomas,

I believe the 24-604-3 Crown and the 24-5330-0 Case Tube to be the components made per your case 116233 design.
Thank you Bob..
Now we're getting somewhere...that 1.78mm dimension is pretty close to what my watchmaker measured..
My question is.. will the 24-604-3 crown fit in the existing case tube, or do I need a new case tube..? ( is the case tube in the watch now, a 24-5330-0 tube..? ).
I really do appreciate your help on this...
I got a bead on a part...!!
Thank you Bob...
Regards
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Old 3 April 2017, 05:12 AM   #10
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Thomas,

Yes, a 604-3 crown should match your Case Tube like a square peg in a square hole.

Of course, we're assuming that the Case Tube has not been modified during past repairs.
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Old 3 April 2017, 06:42 AM   #11
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Thomas,

Yes, a 604-3 crown should match your Case Tube like a square peg in a square hole.

Of course, we're assuming that the Case Tube has not been modified during past repairs.
Bob, I thank you...
..a square peg in a square hole.. -- interesting analogy...
.
This is the first time the watch has been opened since I bought it and has never been serviced 'till now...
.
Thank you again kind sir...
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Old 14 April 2017, 04:49 AM   #12
mowsow
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Broken case tube

I have a bigger problem. My tube is broken in half, half of it is inside the crown and the other half is in the case itself.
Does anyone know how can I remove the 2 pieces in order to put a new tube in !?
I came across this post while searching for a solution .. can anyone help ?

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Old 16 April 2017, 03:36 AM   #13
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Originally Posted by mowsow View Post
I have a bigger problem. My tube is broken in half, half of it is inside the crown and the other half is in the case itself.
Does anyone know how can I remove the 2 pieces in order to put a new tube in !?
I came across this post while searching for a solution .. can anyone help ?

..That is a bigger problem.. Mine's been resolved...(thankfully)..
.
Does the crown come out..with 1/2 the tube attached ?? I presume you're not able the adjust time or anything..? I don't have the tools or specific know how, but I'm thinking that if the crown does come out, then you could 'ream' out..(there's probably a tool for that..), the broken 1/2 that's still in the case. Either way, I suspect you'll have to open the watch anyway..to work on it..
Just my thoughts...
Maybe some more knowledgeable folk on here can assist.. ie, Bob Ridley and Vanessa CW21. - They helped me..
I feel for you.....
Good luck.......
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Old 16 April 2017, 05:37 AM   #14
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How is it that I see so many pictures ow Rolex watches with the stem unscrewed on in an open position? Is this preferred position for storing an unwound watch?
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Old 16 April 2017, 06:41 AM   #15
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How is it that I see so many pictures ow Rolex watches with the stem unscrewed on in an open position? Is this preferred position for storing an unwound watch?
IMO, No.! - No need to torque it down as if you are wearing it, but the crown should be tightened/closed snug, to keep out whatever..even while stored. !! Just my $.02c worth...!
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Old 17 April 2017, 11:31 AM   #16
bobridley
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Quote:
Originally Posted by mowsow View Post
I have a bigger problem. My tube is broken in half, half of it is inside the crown and the other half is in the case itself.
Does anyone know how can I remove the 2 pieces in order to put a new tube in !?
I came across this post while searching for a solution .. can anyone help ?


Phillip & I see this from time to time and there is an application that can address broken tube removal.

1. A seasoned watchmaker would be recommended as any attempt to removing the broken tube could damage the case wall threads.

Regarding what steps to take in removing your case tube:

2. In brief, one approach I’ve found helpful to successfully remove broken tubes, vintage & current:

Many Rolex case tubes are secured with a product such as Thread Loctite. The tube is in to stay. This means that more torque is needed when turning the inserted cutting broach in order to unscrew the broken piece.

My concern is that this added tension could damage your case hole threads.
To overcome this problem and minimize the tension, apply a select amount of heat at the case opening. This will loosen the Loctite and help with the tube extraction.
(Obviously, the movement, dial, & crystal are removed before heat is applied.)

Bob Ridley
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Old 18 April 2017, 02:52 AM   #17
mowsow
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Quote:
Originally Posted by bobridley View Post
Phillip & I see this from time to time and there is an application that can address broken tube removal.

1. A seasoned watchmaker would be recommended as any attempt to removing the broken tube could damage the case wall threads.

Regarding what steps to take in removing your case tube:

2. In brief, one approach I’ve found helpful to successfully remove broken tubes, vintage & current:

Many Rolex case tubes are secured with a product such as Thread Loctite. The tube is in to stay. This means that more torque is needed when turning the inserted cutting broach in order to unscrew the broken piece.

My concern is that this added tension could damage your case hole threads.
To overcome this problem and minimize the tension, apply a select amount of heat at the case opening. This will loosen the Loctite and help with the tube extraction.
(Obviously, the movement, dial, & crystal are removed before heat is applied.)

Bob Ridley
Hi Bob,
Thanks so much for the advice on heating the case to loosen up the loctite glue, I use this trick when working on my cars, but I wouldn't have thought of using it here.
I am very handy with the tools and I would like to attempt to remove it myself. I have already ordered the new tube.
The problem I am facing is that I cannot find the die size to open the back cover.
I have measured the back and it does not match any of the available Rolex dies on the market !! Does anyone know where I could get a die to open it !?



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Old 23 April 2017, 03:26 AM   #18
mowsow
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Hello folks, so I got the tube today and I still don't have the tool to open the back cover.
The largest size die I have is 29.5mm and the cover on my watch is 32mm and I don't seem to find a die anywhere !!
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Old 21 May 2017, 05:24 AM   #19
Ron P
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Here you go: https://www.cousinsuk.com/product/ro...ooves-bergeon#

Succes,

RonP
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Old 21 May 2017, 04:58 PM   #20
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Quote:
Originally Posted by mowsow View Post
Hello folks, so I got the tube today and I still don't have the tool to open the back cover.
The largest size die I have is 29.5mm and the cover on my watch is 32mm and I don't seem to find a die anywhere !!
Have you tried the 36.5mm die? Esslinger sells it. I believe it's meant for the DeepSea but may work on the 116655. I'd be sure to get the appropriate tools when unscrewing that caseback... gold is real easy to mess up.
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