Voucez, Paris, France,1767, Three train, half second, beating full seconds on pinwheel escapement. Count wheel quarter strike. Three week duration. Astronomical clock with equation of time, year calendar, day, week, month, season, seasonal time of sun rise/set, moon rise/set and age of moon.

Export license issued from the French Ministry of Culture. An additional license for export approval was also needed from the European Union. In all the time between purchase on December 5, 2018 until delivery on November 6, 2019 was 11 months.