Jon Hamm attends the Mad Men screening with Jennifer Westfeldt

Jon Hamm participating in the Mad Men season finale screening with her longtime partner Jennifer Westfeldt Sunday (October 17) in New York. Earlier of the week involved John and Jennifer together at Jaeger-LeCoultre event celebrating the new Hubris Mechanica watch. On Thursday (October 14) 39-year-old actress made a guest appearance on the special live episode of 30 Rock!

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Jon Hamm and Jennifer Westfeldt Jaeger-LeCoultre Celebrating Event

Jon Hamm and girlfriend Jennifer Westfeldt together on the Jaeger-LeCoultre event celebrating the new Hubris Mechanica see on Tuesday (October 12) in New York City.The 39 years old Mad Men star did the famous Swiss watchmaker great brand celebrate its most unique collection: Hubris Mechanica, this unique set of models gives the most amazing trilogy in watchmaking history, consists of three watches house an incredible total of 55 complications.

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