Illinois Grade 439

Grade 439 is a 21j Openface watch maufacturered by Illinois. The size 12s, Model 1 movement features a nickel finish and is adjustedtemperature.

Grade 439 Movement Characteristics

Size12s
Jewels21j
ConfigurationOpenface
FinishNickel
Model1 OR 1XT
SettingPendant
AdjustedYes
Railroad GradeNo

Grade 439 Production Info

Total Production370
Number of Runs6
Production Years1917-1921
First Serial3,268,951
Last Serial3,905,000
Largest Run150
Smallest Run10
Most Common Run40