1960s HELBROS Invincible Skin Diver Automatic Wristwatch 17 Jewels Cal. PUW 1461 Germany Made Gruen 8Case Lug to Lug 45

8Case Lug to Lug 45

Movement: LYCEUM Watch Co

One of the main attractions of Tudor and Rolex watches is the Oyster case

HAMILTON 1941 Coral Martin

1960s HELBROS Invincible Skin Diver Automatic Wristwatch 17 Jewels Cal. PUW 1461 Germany Made Gruen 8Case Lug to Lug 45HELBROS WATCH Co. Helbros watches are a fantastic part of the US watch story, "one of the most popular brands of the 50's and 60's." Helbros was a major US watch company, founded in 1913 by the Swiss German Helbein brothers, the company registered a trademark registered in New York in 1916 and in Geneva in 1918. William Helbein, one of the brothers and founders, later, he was for long time the company president; he was at first a diamond importer (his