Pocket Watch Database

Illinois Grade 121

Grade 121 is a 21j Openface watch maufacturered by Illinois. The size 12s, Model 1 movement features a nickel finish and is adjusted to 3 positions and temperature.

Grade 121 Movement Characteristics

  • Size12s or 14s
  • Jewels11j or 21j
  • ConfigurationHunting or Openface
  • FinishGilt or Nickel
  • Model1 or 1 or 2
  • SettingLever or Pendant
  • Adjusted?
  • Railroad GradeNo

Grade 121 Production Info

  • Total Production13,000
  • Number of Runs11
  • Production Years1890-1932
  • First Serial1,005,001
  • Last Serial5,566,000
  • Largest Run4,000
  • Smallest Run200
  • Most Common Run500