Hello,

About a year ago I purchased an 856 and a 556 I RS.

Within a few months, the 556 exhibited severe resistance on winding and wouldn't hold a full "charge." I had it serviced under warranty and it still didn't feel silky smooth like it was when it was new. I ended up selling it, still under warranty.

Last month I ordered a 556 A since I love the aesthetic of the 856 and figured I'd have my favorite dial for any occasion. It's been about a month and the new 556 is exhibiting the…

Sinn 556 and Sellita SW200 problems