Probably destined for the Turkish market, due to the crescent moon on top of the hump, which was a symbol of the Ottoman Empire.
The author, Cellier, was registered as active in Rue du Bourg l'Abbè in 1806 by the Horological Foundation.
The present model can be seen in " French Bronze Clocks " by Elke Niehuser at page 239.
Au dromadaire clocks are particularly rare and not many are known.
H: 40cm W: 30cm P: 10cm