1937 GRUEN CURVEX Precision Watch 17 Jewels Cal. 330 Swiss Made Wristwatch

"Your curved wrist deserves the world's only truly curved watch"GRUEN CURVEXThe Precision WatchCal. 330 WristwatchConoruma MovementGruen Watch Company, one of the most important and prestigious American watch manufacturers, founded by a brilliant German horologists, Dietrich Gruen and later by his sons Fred and George Gruen."The most famous Gruen wristwatch was the Curvex. These watches are one of the greatest examples of 1930s streamlined design."In 1935, Gruen introduced the first Curvex wristwatches for men. Expanding on the then-current fashion of the rectangular wristwatches shapes, these models were curved to wrap around the wrist. The biggest innovation of the design was the ability to produce a movement which followed the shape of the case, allowing the watch to be thinner and more curved. This, in turn, allowed the movement to be larger, more durable and more accurate. There were four men's Curvex movements, they were introduced by Gruen in 1935 with the thin caliber 311. This