Vintage Swiss Gruen platinum diamond and sapphire wrist watch, circa 1925. This Art Deco ladies wrist watch has 1.25 carat total weight diamonds, VS clarity, F-G color and French cut sapphires along with an 18 karat white gold heavy mesh band. It has a 17 jewel movement.
Gruen was one of the first precision mechanical watch companies in the United States. In fact, Gruen trademarked the word “Precision” for use on their watches. In 1908, they were one of the first companies to introduce wrist watches, for both men and women.
Case: 30.8mm H by 14.5mm W (excluding crown) by 6.7mm D; band is adjustable from 6″ to 9″