Illinois Grade 21

Grade 21 is a 11j Hunting watch maufacturered by Illinois. The size 3/0s, Model 4 movement features.

Grade 21 Movement Characteristics

Size3/0s
Jewels11j
ConfigurationHunting
Finish
Model4 or 4 or 3
SettingPendant

Grade 21 Production Info

Total Production21,880
Number of Runs70
Production Years1915-1918
First Serial2,793,901
Last Serial3,322,500
Largest Run1,900
Smallest Run10
Most Common Run100