What diameter springbars for vintage Omega bracelet clasps?

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Hi all,

I am looking to replace the sprinbars in the clasps of a vintage 1125 and 1175 bracelets. I was going to order them from Otto Frei, but there are so may options for diameter. I don't have a good enough set of calipers to measure the old ones.

Thanks!
 
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Pretty sure it’s 1.8mm
I need a couple too so had just measured, not sure but it’s what I’m ordering.
 
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Pretty sure it’s 1.8mm
I need a couple too so had just measured, not sure but it’s what I’m ordering.
I think 1.8mm is too thick. I have a set and they don't fit my bracelets. Maybe, 1.5mm?
 
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I think 1.8mm is too thick. I have a set and they don't fit my bracelets. Maybe, 1.5mm?
Yeah, sorry, that was a 1039, I just took apart my 1171 and it’s a 1.5

Edit: and 1.5 on the 1175 as well
 
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I just measured 1.6mm for the 1125 and 1.4mm for the 1175. The 1.6mm will not fit in the 1175. It's possible that 1.5mm will fit in the 1175, but the springbar in mine is thinner.

Also, as you probably know, these clasp springbars have stubby ends.