Ca. Ø60mm, ca. 160g, heavily domed protective case, both sides decorated with the star of David, 2nd case covered with tortoiseshell, 3rd case silver, plain, London Hallmarks 1839, magnificent fire-gilt verge movement with the typical Edward Prior cock with the initials EP, plate signed and numbered, No. 55972, signed enamel dial with Ottoman numerals, in very good condition, original steel hands, intact and possibly inpletely original condition.