This week, the world’s largest luxury goods group bought Tiffany & Co. for $16.2 billion. That’s a lot of coin. LVMH has a lot of reasons to spend it. As far as watches are concerned, the conglomerate already owns TAG Heuer and Hublot. I reckon it’s only a matter of time before LMVH puts TAG and Hublot watches into Tiffany’s 321 retail stores. The big question: how will that happen . . .