Not tried the 560s myself but it is a popular FOIS fit so maybe look at the thread about bracelets for the FOIS and that may help you decide. I was of the opinion based on reading that the 617s are easier to fit, no filing needed, but looking at the above suggests they may possibly be shorter than the 560s so not ideal. I am not certain. You may get better results with a brand new 1125. Mine is from the ‘70s and has a bit of stretch, not sure of the age of the links which I purchased separately on here.
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