Automobile Regulateur Niello Horse and Steam Powered Automobile Coach Watch

Swiss very large nickel and niello enameling coach watch with possibly medieval era scene depicting huntsman tending 2 horse and their dogs..Enamel dial reads automobile regulator and depicts a steam powered automobile. Large Roman figures surrounded by black arabic 5 minute indications. 17 Jewel manual wind signed automobile regulateur. Pin set circa 1880-1900. Unusal piece due its large size, elaborate niello themed design, and depiction of early steam powered automobile.. The piece may have been a commentary on the evolving technology, juxtaposing old versus new horsepower!