Patek Philippe. A lady's very fine and impressive, possibly unique 18K gold bracelet watch with concealed dial Signed Patek Philippe, Genève, Coquillages d’Abondance model, ref. 3104/1, movement no. 947’000, case no. 673’233, manufactured in 1954 Movement: cal. 7’’’70, manual, 18 jewels, signed Dial: signed Case: snap on back, hinged cover over the dial, 23 mm. wide, 43 mm. overall length, signed With: 18K gold Patek Philippe integral bracelet with articulated fluted links and concealed clasp, overall length approx. 180 mm., Extract from the Archives confirming the production of the present watch with yellow gold bracelet in 1955 and its subsequent sale on 28 May 1955