No. 10002419, the case by the Dubois Watch Case Co., 26 Morton St., Brooklyn, NY, circa 1900
15-jewel 6/0-size model 1898 movement, bimetallic balance, overcoiled spring, stem set, inscribed gold cuvette, cream white enamel dial, blue arabic chapters with gilt stars between, gold scroll hands, the case back chased with a gryphon holding a round diamond in its mouth, the brooch formed of scrolls and set with two round diamonds
30mm