This is a 1960's record watch in 18K yellow gold with a rare Valjoux 88. 38mm triple calendar moonphase chronograph. It is equipped with the rare Cal.88, which is a moon phase function added to the famous Cal.72C made by Valjoux, known as Rolex "Kyrie Watch". It has a mechanical design with triple calendar, moon phase, and 3 registers chronograph, and its complicated mechanism is considered to be the highest peak of vintage chrono, and it is overwhelmingly popular and well known. The silver two-tone dial with appliquéd indexes and gold bar hands is a gem of the 1960s, with its unique look and luxurious feel.