Joseph émile Philippe. A fine and historically important nielloed silver and gold openface keyless lever watch Signed émile Philippe, Genève, no. 1882, dated 1889 Movement: cal. 19’’’, wolf’s tooth winding, jewelled to the third wheel, signed and numbered Dial: white enamel Case: entirely decorated with niello in a repeated pattern, back cover with inlaid gold foliate monogram "JEP", snap-on cuvette engraved “E. Philippe, 1889”, 51 mm. diam., case numbered With: photocopy of the excerpt from the birth register of the City of Geneva for Joseph émile Philippe, signed by Jean Adrien Philippe, Antoine de Patek and Vincent Gostkowski