Pocket watch: heavy, unusual Ankerchronometer, Ulysse Grandjean Lac-de-Joux, made for Giles Brothers Chicago, ca. 1870: Ca. Ø52mm, ca. 133g, 18K gold, back screwed on both sides, very fine Ankerchronometer movement with both signatures, screwed gold chatons, chronometer balance, extra long regulator hand, wolf's toothing, original enamel dial with vendor's signature, signed J. Andrie Faigaux Lac-de-Joux, filigree Breguet steel hands, in working order, very rare calibre.