Preventing scratches when changing strap

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So as some of you might already know I bought an OEM strap for my Autavia Heritage during my last trip, to be used when I want something slightly dressier and vintage looking than the bracelet that came with my reference. The TH Boutique very kindly helped me with changing the straps, but this is, of course, something I want to do myself without having to run to the closest watchmaker every time I want to change the strap.

However, what's the best method of changing strap so it doesn't get scratched on the backside of the lugs? I've for years used a very fine knife to do this, as well as a spring bar pin tool, but I feel like I want to keep my watch away from scratches as good as I can. Or is your philosophy that a few scratches on the backside of the lugs are acceptable since they're never visible anyways?

Many thanks in advance!

(Obviously, no thread is complete without some nice matching pictures).
 
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Fishing line is apparently a very good way of changing a strap/bracelet without scratching the back of the lugs.
 
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Fishing line is apparently a very good way of changing a strap/bracelet without scratching the back of the lugs.
Looked up some instructions for that but believe it would work best if you have a leather strap. Guess it becomes a bit harder with bracelets and end-links. Many thanks for the tip though!

How do you feel about scratches on the backside of the lugs though. Not visible, but the knowledge alone makes me a bit hesitant to do something when I'm still tired...
 
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I think it is jus a fact of life and with stainless steel watches, not so noticeable. A DLC/PVD finished black watch would be a differeng story though. Scratching that would definitely bother me.
 
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I think it is jus a fact of life and with stainless steel watches, not so noticeable. A DLC/PVD finished black watch would be a differeng story though. Scratching that would definitely bother me.
Very good point made!

I just tried to switch the strap and took it slow are careful. So now the bracelet is back on and not a scratch on the lugs or end-links. I guess years of changing straps finally paid off!
 
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I just use a spring bar tool. It's possible to do it without scratching. I find that scratches on the inside edge of the lugs are most likely to be caused by the springbars themselves when re-fitting a bracelet.
 
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I just use a spring bar tool. It's possible to do it without scratching. I find that scratches on the inside edge of the lugs are most likely to be caused by the springbars themselves when re-fitting a bracelet.
Oh yes, the problems I've had previously has been related to the springbar itself scratching the lugs. Maybe in combination with me doing it not paying enough attention to the tools. What I did this time was to simply slide a layer of paper between the lug and the springbar before pushing it into the right place and I guess you could do the same thing with duct tape or similar if you wanted to be even more careful.
 
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Well my monza already been scratched a bit. In that area too. I am not really keen on changing strap that often after that...🙁
 
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Well my monza already been scratched a bit. In that area too. I am not really keen on changing strap that often after that...🙁
😲
 
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Buy two watches: keep one with the bracelet and the other with the leather strap.
Ha, that’s also a solution I guess. The thing is that i usually have nothing against some battle scars, but it feels like scratches from switching straps doesn’t really count as “battle scars”.
 
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Ha, that’s also a solution I guess. The thing is that i usually have nothing against some battle scars, but it feels like scratches from switching straps doesn’t really count as “battle scars”.
Yeah. No i dont think it count.