The sub-second dial is located at 6 o’clock
the number of jewels (15) and the caliber (10AL)
the dial is signed “Wittnauer Geneve Automatic”
officially COSC-certified
"In 1917 the Gruen company built a new factory on the outskirts of Cincinanti at Time Hill
1930 ELGIN Watch 17 Jewels Grade 489 Art Deco Tank Case 14K White GF Wristwatch 1940s The sub-second dial is locatedElgin, The Watchword for Elegance and Efficiency. 1930 Elgin Tank Watch 14K White Gold Filled Cal. Grade 489 Art Deco Era This is an antique timepiece: a vintage Elgin wristwatch, dated from 1930. It is a manual wind men's wristwatch powered by the original Elgin mechanical movement, caliber 489, featuring 17 jewels, sub second dial, 34 hour power reserve, and operating at 18,000 vph. Made in U. S. A. From the Art Deco era, this watch is housed in a