I have known, owned, and regularly used watches based on the cal. 2120 since 1976.
By: ThomasM : May 17th, 2016-17:31
Hi, Francis, I have owned and regularly worn watches using the 2120, 2121, and various complications built on top of the famous caliber, since 1976. I have never experienced any problems with any of my timepieces - they have been highly reliable, robust, ...