I got as a sidekick of a deal of Certina DS a Revue watch. The watch has a rare Buser movement B 142. I have never seen one before, it has a unique wheeltrain construction with extra wheels compared to an ordinary centersecond movement.
Revue, Buser, Vulcain, Marvin and Phenix pooled 1965 their resources and founded MRS =Manufacturese Suisses Reunis = United Swiss Manufacturers, so this must be sortly before that also watch has an engraving dating it to 1967.
Sadly watch is non-operational condition, it has a broken wheel.
B142 is a 12 ligne movement. The watch has a 35 mm case with quality plating.