Swiss silver, gilt and diamond lady’s pendant watch Circa 1900

Silver open faced pendant watch
–
A Swiss silver, gilt and guilloche enamel keyless lady’s pendant watch, circa 1900.
A diamond set bezel and case back decorated with a Spanish count crown. Blue guilloche with painted Arabic numerals and gilt spade hands. Gilt movement, 17 jewels, straight line lever escapement, plain three arm balance, blued steel Breguet balance spring, index regulator.
–
Diameter: 26 mm
–
Thickness: 8 mm
–
Signed: Anonymous  Swiss