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La touche Echap provoque la fermeture de la fenêtre.
Unlike the original Veri Thin "V" calibers these were actually not produced by Gruen anymore , but by "Lavina - Manufacture d'Horlogerie DUBOIS-PESEUX & Cie" Villeret, Switzerland.
About 1945 a larger 17 3/4 Ligne derivative was added to the line up, caliber 385 17j and 386 15j.
You can also type in a part number and get a list of all grades using that part number. The team at e Informatics are uk dating Medinformatix things to do when dating long distance EHR and RIS experts! Many of these were made by hand, and the intricate workmanship is truly …. One of The Watch Tech's favorite online watch resources, especially the Vintage Forum and the Watchmaking & Repair Forum.One of the most important and prestigious American watch manufacturers was the Gruen Watch Company, founded by a brilliant father-and-son team of horologists, Dietrich and Fred Gruen.Among the first companies to sell wristwatches, the Gruens split their manufacturing between two continents, exporting American technology to Germany and Switzerland, and bringing German and Swiss traditions of craftsmanship to America.Sorry, no pic available - the watch is with someone who will fix it for me if I can find the needed parts, whcih I can't do until I can determine how to identify the proper watch to get them from. Your pocket watch is an example of the "new Gruen Veri-Thin" that Gruen introduced in 1939.They launched two versions of this 16 3/4 Ligne movement, the 381 with 15j and the 380 with 17j.I find it can be very difficult to date a Gruen pocket watch. And, is there any way to identify the same watch to get for parts - other than the caliber number (can't get people on e Bay to take the balance out to look for the caliber number! (Curiously, I notice the caliber number matches the diameter in mm -- 38.1 mm to 381 caliber number.) Serial number: 2-339980 Switzerland Cororuma case "Cased and Timed in USA by Gruen Watch Co." 8213952 10-k-Gold Filled That's all the information on it. 15 jewels 38.3 mm (1.5078 inches) diameter movement (size 10, 17 lignes) caliber number: 381. There is no second 3-digit number, which apparently would have been for style number - a deficiency which apparently is common for the Veri-Thin and for Gruen watches made in Switzerland.Based on my serial number database I can say that your watch was produced somewhere between 19.One other way of dating these would be through case serial number. 16904-Dating-a-Gruen-watch was not found on this server.Additionally, a 404 Not Found error was encountered while trying to use an Error Document to handle the request.Can you confirm the number you gave is right and doesn't start with "G"? The watch, all in pieces, is with the guy who will fix it when I get parts.