Online Elgin Serial Number Database. Not off the case. These two serial numbers are. Everything written on the movement of the watch and the watch case. Technique 1 - Serial Numbers that begin with the letter G or L. Jack Wood's article that described how his technique for determining the date a Wadsworth case was. Hi, According to the serial numbers this watch was made in 1917. This is in a gold filled case aka 20 year case. This watch would sell at auction and on sites such as. I am trying to find the case serial number of the Wadsworth case that houses my Bunn Special. Is that the number on the screw off back?

Updated November 2015 Dating A Gruen Wristwatch from a Wadsworth Case Serial Number I'm grateful that I can share with you MORE tools for your Gruen toolbelt. Another wrench (spanner for you Brits) in the toolbox is always welcomed as Gruen collectors need all the help they can get. Netsupport Protect 2 Keygen. There are two different case dating methods for Gruen wristwatch cases that were manufactured by Wadsworth. One was developed by Jack Wood, the other Barry Cooper. Both are top-notch Gruen historians and researchers. These techniques involve looking up a portion of the Wadsworth case serial number in a table to determine the date a Gruen case was manufactured. While these tables appear simple, like all Gruen research work, considerable effort was expended by these individuals to create them.

Vista Sidebar Gadget Tutorial. Before presenting the tables and techniques, a word about case dating. The Wadsworth case date is the date the watch's case was manufactured. If you want to know the exact age of your watch, then this date is what you are seeking. Let's call this date, the date your Wadsworth case was made, the Wadsworth Date. If you are attempting to identify your watch, that is, you are seeking the model name and other detailed information about it, then you are actually looking for a different date.

For identification research, the critical date is the 'Introduction Date', the date the watch model was first introduced to the public for sale. The reason for this is simple; you are most likely to find the most information published about a watch when it first went up for sale.

Advertisements and catalogs, the primary source of your identification data, will contain the newest models, not those that have been shipping for 4 or 5 years. Your Wadsworth Date will be later than the Introduction Date. You will want to look further into the past when searching for detailed data about your watch. More about this can be found in the tutorial.

Technique 1 - Serial Numbers that begin with the letter G or L Jack Wood's article that described how his technique for determining the date a Wadsworth case was made was published in the Sept/Oct 2012 NAWCC journal. Click to download a PDF copy of the article.

For this particular dating technique, two criteria must be met. 1 - The case must be manufactured by Wadsworth 2 - The case serial number must start with the letter G or letter L If both of these criteria are not met, then this technique will not work for you. If your case is a Wadsworth case, and you find a 5 instead of a Gx or Lx at the beginning of the serial number, then you may be able to use the Cooper tables. See Technique 2 below. See Figure 1 below for how to read a case's serial number that has a G or L prefix. Code Year G0 1937-1939 G1 1939-1941 G2 1941-1942 G3 1942-1943 G4 1943-1944 G5 1944-1945 G6 1945-1946 G7 1946-1947 G8 1947-1948 G9 1948-1949 L0 1949-1950 L1 1950-1951 L2 1951-1952 L3 1952-1953 L4 1953-1954.