White enamel chapter ring with Arabic hours signed G. Merlet, open to the center to reveal an openwork gilt bronze star before the movements, surmounted by a subsidiary enameled moon phase dial, above subsidiary white enamel dials showing the day of the week and sign on the right and the date on the left, the dials flanking a white enamel lozenge signed "Folin L'aine a Paris", all above a gilt and enameled arch raised on a marble plinth with ormolu frieze and five toupie feet.