A rare gold 18th Century fob showing day and date in the form of a small pocket watch. White enamel dial with black Arabic numerals for the day of the month and red abbreviation in French for the day of the week. Decorative gold beetle hands. Gold case in the form of a pocket watch, engraved and engine turned back, gold push pendant. Depressing the pendant moves both hands forward one division. A small button in the band locks the day of the week hand allowing the date to be advanced alone for shorter months.