Let's call this date, the date your Wadsworth case was made, the Wadsworth Date. The lookup table is located below and on the Serial Number page. Care must be taken that the case serial number is not accidently used to determine the Style Number. Play stump the decoder Goddard Gruen Hamilton Hampden E. While not completed, there has been significant progress this year for Gruen, Keystone, and Star manufactured cases. Gruen watches are notoriously difficult to date.
This happened most often during the early Curvex years when many of the Curvexes had a very similar shape.
Until then all movements were round, limiting the designs. What Is the Value of Gruen Watches?