Recently purchased my first Sinn, an 856 UTC with tegimented bracelet that I bought here and was originally purchased from Watchbuys in 2018. There are 2 years left on warranty and other than this issue the watch is pretty much perfect.
While doing some strap changes I noticed what appears to be rust on the inside of both endlinks (the worse of the two is pictured above).
Is this common? A warranty issue? Nothing to be concerned about?
Any feedback would be appreciated. Thanks!
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