Recent “turbulence” at Calvin Klein’s management led to the decision to end the alliance, which covered watches and jewelry, the Swiss maker of Omega timepieces said in a statement Tuesday.

Global retail sales of CALVIN KLEIN brand products exceeded $9 billion in 2019 and were distributed in over 110 countries. Calvin Klein employs over 11,500 associates globally.

When can a watch bear the reassuring, status-sealing “Swiss-Made” label? It all comes down to a Swiss law known as the “60% Rule.” Here’s what to know before you buy ...