That's a very handsome piece. What do you know about "Empire". I have a seven jewel Empire Watch Co. wrist watch that I would estimate being from the early 1930s which is marked Geneve, but have been able to find very little information other than "Empire" was used by Smiths, Omega and Etna (of Geneve) at various times. I am assuming that my Empire is most likely associated with the Etna Watch Co., but I have been unable to identify the movement.
Attached are photos of my Empire, and photos of one of the only other watches I have been able to find having an Empire movement, albeit fifteen jewels rather than seven. That watch is a "lapel" watch identified as a "Paul Vallette" on the dial. Paul Vallette was a name used by the Edouard Heuer watch company, predecessor to Tag Heuer. If you are unfamiliar with a "lapel" watch they are essentially a watch housed in a leather sheath having a leather lanyard with a button on the end. They are worn in the outside breast pocket of a suit jacket with the lanyard button placed through the lapel button hole of the jacket.
Both Paul Vallettes having Empire movements that I have been able to find were gifts from Samuel Goldwyn. The example photo was a gift to C.S. Chaplin....presumably, Charlie Chaplin.