Pocket Watch Database

Rockford Grade 520

Grade 520 is a 21j Hunting watch maufacturered by Rockford. The size 16s, Model 4 movement features a nickel finish and is adjusted to 5 positions. During the time the watch was manufactured, it would have qualified for railroad service and is considered to be railroad grade.

Grade 520 Movement Characteristics

  • Size16s
  • Jewels21j
  • ConfigurationHunting
  • FinishNickel
  • Model4
  • SettingLever
  • AdjustedYes
  • Railroad GradeYes
  • Railroad Grade ClassClass C

Grade 520 Production Info

  • Total Production600
  • Number of Runs5
  • Production Years1899-1903
  • First Serial546,801
  • Last Serial628,300
  • Largest Run200
  • Smallest Run100
  • Most Common Run100