Vintage Gruen Veri-thin Men's Mechanical Wristwatch 415 Swiss 10k RGP & ChromeProduct Description Item: Wristwatch Brand: Gruen Model: Veri thin Movement: Mechanical Case Material: 10k RGP & Chrome Country: Swiss Jewels: 17 Jewel Gender: Men's Caliber: 415 Size: 26mm About the brand: Founded in Ohio Gruen was one of the largest American watch manufacturers for the greater part of the 20th century. In fact, shortly after their relocation to Cincinnati, Gruen became the number one selling watch brand in the US. Like many brands