Omega Chronostop Rose Gold Pre-owned These unusual movements were primarily

These unusual movements were primarily supplied to other manufactures (notably IWC)

Though produced in the 70s when Hamilton had been attained by Omega/Tissot holdings and production had been moved to Switzerland

The 16750 is what’s known as a transitional model by Rolex collectors today

and dates to around 1976

Omega Chronostop Rose Gold Pre-owned These unusual movements were primarilyThe Chronostop is an interesting side note in the history of Omega chronographs. Manufactured in the late 1960s 1970s with a few different case orientations and movements, the Chronostop featured time (and in some cases, date) along with 60 second stopwatch, operated from the single pusher located above the crown. This limited functionality enabled the wearer to time events only up to one minute in length, without any sort of tally register to count