Pocket Watch Database

Rockford Grade 640


Photo Contributed By Brycef
Grade 640 is a 21j Hunting watch maufacturered by Rockford. The size 16s, Model 3 movement features a nickel finish and is adjustedtemperature. Each movement was fitted at the factory with a double-sunk dial.

Grade 640 Movement Characteristics

  • Size16s
  • Jewels21j
  • ConfigurationHunting
  • FinishNickel
  • Model3
  • SettingPendant
  • AdjustedYes

Grade 640 Production Info

  • Total Production2,000
  • Number of Runs2
  • Production Years1910-1910
  • First Serial824,001
  • Last Serial842,000
  • Largest Run1,000
  • Smallest Run1,000
  • Most Common Run1,000