Not sure what to make of the ID on this beauty but here what we know about P Droz.....
Pierre Jaquet-Droz - Pierre Jaquet-Droz was a Swiss-born watchmaker of the late eighteenth century. He lived in Paris, London, and Geneva, where he designed and built animated dolls, or automata, to help his firm sell watches and mechanical birds.
From the Swatch Corp web site - Today, the brand is still inspired by his dreams, his extraordinary horological masterpieces, his exceptional automatons, which include the androids entitled «The Lady Musician», «The Writer» and «The Draughtsman», and his quest for innovation, progress and excellence. Operating in the Haute Horlogerie segment, Montres Jaquet Droz SA excels in the art of one-off and very limited-edition items. The brand has revived traditional crafts that were disappearing: outstanding illustrations of this include its spangled dials and those of black «Grand Feu» enamel.