Swiss made, manually wound, 242 jewels, 5 plates, 2800 components, dual dials. 57 functions: Time functions (6), Perpetual calendar functions: Gregorian and Hebraic (15), Astronomic calendar functions (9), Lunar calendar function (1), Religious calendar function (1), Chronograph (3 column-wheels) functions (4), Alarm functions (6), Westminster Carillon striking functions (8), Further functions (7).