Omega: A lady's 9ct gold bracelet watch and a gold plated Geneve wristwatch

Omega: A lady's 9ct gold bracelet watch and a gold plated Geneve wristwatch
The first ref. 511.5002, circa 1978, cal.625 manual wind movement, champagne dial with applied batons, polished round case stamped 9ct, link bracelet also stamped 9ct, 19mm, 15g gross; the second ref. 511.0457, circa 1974, cal. 625 manual wind movement, gold sunburst dial with applied batons, polished round case, associated expanding bracelet, 23mm. (2)