The wristwear we saw on celebrities this week ran the gamut of watchmaking, from the dressy and demure to the classic and sporty to the downright imposing. Jon Hamm returned to the red carpet looking sharper than ever, wearing a pinstripe suit and a hefty Jacob & Co. Jean Bugatti for the season two premiere of Your Friends & Neighbors in N.Y.C. Wyclef Jean and Chris Pratt both pulled out diamond-e...