Cal. 770 oval-shaped nickel-finished lever movement 18 jewels the silvered matte dial with Arabic and applied gold baton numerals in rectangular case with snap on back hinged within the massive outer case with enlarged fluted sides and concealed under a spring-loaded domed 18K yellow gold platinum and pavé-set diamond cover massive 18K gold Patek Philippe bracelet consisting of ribbon-shaped articulated links the clasp stamped PPCo. case dial and movement signed