Illinois Grade 601

Grade 601 is a 11j Openface watch maufacturered by Illinois. The size 16s, Model 7 movement features a nickel finish.

Grade 601 Movement Characteristics

Size16s
Jewels11j
ConfigurationOpenface
FinishNickel
Model7 or 6 or 5
SettingPendant
AdjustedNo
Railroad GradeNo

Grade 601 Production Info

Total Production36,540
Number of Runs65
Production Years1911-1932
First Serial2,373,701
Last Serial5,565,000
Largest Run1,200
Smallest Run40
Most Common Run1,000