Pocket Watch Database

Illinois Grade 710

Grade 710 is a 23j Openface watch maufacturered by Illinois. The size 16s, Model 10 movement features a nickel finish and is adjusted to 6 positions and temperature. During the time the watch was manufactured, it would have qualified for railroad service and is considered to be railroad grade.

Grade 710 Movement Characteristics

  • Size16s
  • Jewels23j
  • ConfigurationOpenface
  • FinishNickel
  • Model10 or 9
  • SettingLever
  • AdjustedYes
  • Railroad GradeYes

Grade 710 Production Info

  • Total Production280
  • Number of Runs5
  • Production Years1911-1918
  • First Serial2,337,021
  • Last Serial3,377,380
  • Largest Run200
  • Smallest Run10
  • Most Common Run10