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Old 17 June 2019, 03:34 AM   #1
kieselguhr
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Bergeon 7825 and Tudor BB

Question for members who are more experienced in the matter and sorry if the question has already been asked (I could not find it with the search function).

I have been unsuccessful at reinstalling the OEM bracelet onto the BB using the bergeon 7825 tool. Much to my chagrin, either the tool or I keep slipping during the process of inserting the end link in between the lugs. As I have been able to replicate this slipping multiple times, I have effectively stripped the ends of the spring bars.

I did notice that the stock prongs on the 7825 (they appear replaceable) are quite shallow and was wondering if there are other forks that I should replace them with for significant increase in my quality of life

Thanks in advance for any help or advice!


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Old 17 June 2019, 08:25 AM   #2
Rolexoman
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I have yet to attempt to replace my Tudor BB bracket but several here have the Bergeon ones and say it’s makes replacing the bars easy and I have watched this vid https://m.youtube.com/watch?v=XjEXjrHjffE and it appears easy but it’s always easy when watching
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Old 17 June 2019, 04:24 PM   #3
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You need to get the technique down.

It took me a while too.
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Old 18 June 2019, 05:31 AM   #4
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Thanks guys. You’re probably right about technique. Was just wondering if there was something purchasable to reduce slippage.


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Old 18 June 2019, 06:17 AM   #5
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Quote:
Originally Posted by kieselguhr View Post
Thanks guys. You’re probably right about technique. Was just wondering if there was something purchasable to reduce slippage.


AOW

I think it just takes practice, I am going to be ordering either the Bergeon or Horofix ones from Esslinger and if I find a trick to doing it I will post but thinking it just takes practice
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Old 18 June 2019, 06:55 AM   #6
antbkny
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This will make changing bands 500 times easier!

YOCTOSUN Head Mount Magnifier with 2 Led Professional Jeweler's Loupe Light Bracket and Headband are Interchangeable https://www.amazon.com/dp/B01H8808H6..._P3.bDb62BJ89P
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Old 18 June 2019, 10:02 AM   #7
kieselguhr
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Quote:
Originally Posted by antbkny View Post
This will make changing bands 500 times easier!

YOCTOSUN Head Mount Magnifier with 2 Led Professional Jeweler's Loupe Light Bracket and Headband are Interchangeable https://www.amazon.com/dp/B01H8808H6..._P3.bDb62BJ89P


Funny, I have one. I use it for painting miniature scale models for tabletop I do use it for watch work as well. Excellent suggestion!


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Old 22 June 2019, 02:51 AM   #8
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Quote:
Originally Posted by kieselguhr View Post
Question for members who are more experienced in the matter and sorry if the question has already been asked (I could not find it with the search function).

I have been unsuccessful at reinstalling the OEM bracelet onto the BB using the bergeon 7825 tool. Much to my chagrin, either the tool or I keep slipping during the process of inserting the end link in between the lugs. As I have been able to replicate this slipping multiple times, I have effectively stripped the ends of the spring bars.

I did notice that the stock prongs on the 7825 (they appear replaceable) are quite shallow and was wondering if there are other forks that I should replace them with for significant increase in my quality of life

Thanks in advance for any help or advice!AOW
I found installing the bracelet back to the head a little more fiddilly as well. For me adjusting the angle of the endlink to match the lug opening resulted in the slips.

It definitely takes practice but what made it easier for me was to use both hands on the bracelet/spring bar to make sure your forks are set correctly and then move the head to the bracelet rather than moving the bracelet to the head.

Until you get the hang of it, use tape to mask off the lugs.
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Old 28 June 2019, 02:07 AM   #9
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Quote:
Originally Posted by RJK View Post
I found installing the bracelet back to the head a little more fiddilly as well. For me adjusting the angle of the endlink to match the lug opening resulted in the slips.



It definitely takes practice but what made it easier for me was to use both hands on the bracelet/spring bar to make sure your forks are set correctly and then move the head to the bracelet rather than moving the bracelet to the head.



Until you get the hang of it, use tape to mask off the lugs.


For me, the slips happen when I try to slot the endlink back in between the lugs.
I will definitely try your suggestion. Thank you


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Old 28 June 2019, 03:39 AM   #10
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Quote:
Originally Posted by kieselguhr View Post
For me, the slips happen when I try to slot the endlink back in between the lugs.
I will definitely try your suggestion. Thank you


AOW
It sounds like bad technique to me.

Get a case cushion and use the spring bar pliers to pin the end link down (like you're pinning a snake) and then remove or attach the watch head as necessary.

Don't try and do it in your hands, the forks barely engage the spring bar, you need constant downwards pressure to make sure they don't slip. The case cushion just gives you a little cushioning as the endlinks and case never sit level. A carefully folded polishing cloth works in a pinch, you just need to get the angles right or the forks will bind in the slot.

And if you need to tape the lugs, you're doing it wrong. The technique in that Youtube video is bad and is asking for trouble, his second attempt on the table was better but you saw how the endlink slipped out, on a case cushion it doesn't move. No chance of slipping.
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Old 30 June 2019, 09:54 AM   #11
kieselguhr
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Quote:
Originally Posted by Cryten View Post
It sounds like bad technique to me.



Get a case cushion and use the spring bar pliers to pin the end link down (like you're pinning a snake) and then remove or attach the watch head as necessary.



Don't try and do it in your hands, the forks barely engage the spring bar, you need constant downwards pressure to make sure they don't slip. The case cushion just gives you a little cushioning as the endlinks and case never sit level. A carefully folded polishing cloth works in a pinch, you just need to get the angles right or the forks will bind in the slot.



And if you need to tape the lugs, you're doing it wrong. The technique in that Youtube video is bad and is asking for trouble, his second attempt on the table was better but you saw how the endlink slipped out, on a case cushion it doesn't move. No chance of slipping.


I definitely agree on bad technique as I am new at this. Believe it or not, I used silly putty as a base for the watch case while trying this and will now invest in the cushion you suggest.


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