Pocket Watch Database

Illinois Grade 525


Photo Contributed By pmwas1
Grade 525 is a 17j Openface watch maufacturered by Illinois. The size 12s, Model 1 movement features and is adjusted to 3 positions, isochronism and temperature.

Grade 525 Movement Characteristics

  • Size12s
  • Jewels17j
  • ConfigurationOpenface
  • Finish
  • Model3XT
  • SettingPendant
  • AdjustedYes

Grade 525 Production Info

  • Total Production33,750
  • Number of Runs34
  • Production Years1921-1928
  • First Serial3,869,251
  • Last Serial5,007,000
  • Largest Run2,000
  • Smallest Run50
  • Most Common Run1,000