We made 10 of the RGM Model 105-S back in the late 90's in to the early 2000's. It had a new old stock skeletonized vintage Valjoux 23 chronograph movement. This is one of the most desirable chronograph movements even to this day, it has a column wheel to actuate the chronograph mechanism. The case was solid 18K rose gold, the dial is solid silver with Engine-Turned borders, and the hands are blued steel Breguet style. One of the very special pieces we have made over the years!