Vintage GRUEN Precision Watch 17 Jewels Cal. N510SS Waterproof Swiss Wristwatch Shockresistant Case dimensions: 27

Case dimensions: 27

and operates at 28

5Case Thickness 10

"This UNIQUE timepiece is a vintage Illinois private-label wristwatch

Vintage GRUEN Precision Watch 17 Jewels Cal. N510SS Waterproof Swiss Wristwatch Shockresistant Case dimensions: 27GRUEN Watch Company One of the most important and prestigious American watch manufacturers. Gruen watch company was a watch manufacturer founded in 1894 as "D. Gruen & Son" by a brilliant German horologists, Dietrich Gruen and his eldest son Frederick G. Gruen. Years later, the second son. George J., joined the firm and the name was changed to "D. Gruen & Sons". "Gruen obtained a patent for an improved safety pinion, and it is the date recognized by