Antique French Pocket Watch 18k Gold and Hand Painted Enamel c1870 Napoleon III

I am pleased to offer from my private collection this rare antique French award 18k solid gold and hand painted enamel pocket watch c1870.
The watch is preserved in excellent to mint original condition. It comes with the original luxury presentation box..
Fine enamel dial .
The watch has a solid 18k gold open face case depicting a hand painted enamel portrait of the French king Napoleon III. 

Perfect working order.A matching key included.