Art, thanks so much for your expertise. The GO is my aesthetic inclination, but as a relative novice to this caliber of watch (IWC and Rolex currently) I really appreciate the input this forum provides. Marien
I've been interested in the senator chronograph for some time, but I am wondering if the chronograph movement is still modular? Searching thru the forum, it seems that there is also speculation on whether the 100 will (eventually) replace the 39 movement in GO chronographs. Any thoughts on whether t