Saw someone post this (pic not mine) and at first I thought it was one of the 'new' Rotary models - but, according to the collector who has it this one dates to the 60s or 70s and utilizes a manual wind 17j mvm't. I just got curious, because I'm only familiar, and only slightly, with the classic dress line from Rotary and of course, the Aquaplunge - any of our vintage gurus recognize this model?