The karat yellow gold oval case housing a circular-cut ruby and brilliant-cut diamond-set dial, to a karat gold bezel, completed by a bangle set with brilliant-cut diamonds, accented by carved rubies, emeralds and sapphires, the diamonds together weighing approximately 13.20 carats, quartz movement, signed and stamped product code 93860.65 JON0009, inner circumference approximately 155mm.
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WALTHAM
In 1850, Aaron Lufkin Dennison founded Waltham in Roxbury, Massachusetts, with David Davis and Edward Howard. This was the first industrial mechanical watch and clock manufacturer in the world. They aimed to manufacture high quality watches at a lower cost using interchangeable parts.
After numerous failures, Howard and Dennison eventually perfected and patented their precision watch making machines years later, creating what has been called the American System of Watch Manufacturing. The company pioneered the method of mass production with using interchangeable parts, transforming the watches industry profoundly.
Over a century, Waltham created more than 40 million watches. Nowadays, collectors around the world still seek Waltham’s high-precision watch and jewellery.