BENRUS Three Stars 39 Jewels Self-Winding Watch Cal. ETA 2451 - In BOX!

From 1966 .- "The Benrus Standard Demands That... ● All key friction parts are protected with fine jewels, never less than 17. ● Every Benrus made today is, shock-absorbing. Even dress watches. ● No soft brass escapements are used in Benrus movement -only rugged steel. ● Benrus waterproof watches are fully tested in the equivalent of 80 feet of water. ● Every self-winding watch must run even being off the wrist for twenty-four hours. ● Every Benrus mainspring is unbreakable. ● Every Benrus is manufactured by the precision process specified by the Benrus engineering and quality group."   BENRUS Watch Co. INC.   In the early 1920's worldwide pocketwatch manufacture and sales were on the decline, it was then that three young brothers saw an opportunity to begin a wristwatch company, to produce moderately priced watches for the common-man, BENRUS.   Benrus Watch Company, an American company, founded in New York City in 1921 by three brothers: Oscar, Benjamin and Ralph; Romanian immigrant