Pocket Watch Database

Illinois Grade 99

Grade 99 is a 11j Openface watch maufacturered by Illinois. The size 18s, Model 6 movement features a nickel finish. Illinois introduced this particular grade to the market Spring 1887.

Grade 99 Movement Characteristics

  • Size18s
  • Jewels11j
  • ConfigurationOpenface
  • FinishNickel
  • Model1 or 2 or 3 or 4 or 6 or 5
  • SettingLever
  • AdjustedNo
  • Railroad GradeNo

Grade 99 Production Info

  • Total Production50,130
  • Number of Runs202
  • IntroducedSpring 1887
  • Production Years1885-1903
  • First Serial243,801
  • Last Serial1,663,300
  • Largest Run3,600
  • Smallest Run10
  • Most Common Run100

Research Notes

The May 1887 issue of The Keystone reports this grade was new to the market and was described as the only 11-Jewel movement on the market at the time with a patent regulator.