Pocket Watch Database

South Bend Grade 431


Photo Contributed By RAF777
Grade 431 is a 21j Openface watch maufacturered by South Bend. The size 12s, Model 1 movement features a nickel finish and is adjusted to 5 positions, isochronism and temperature.

Grade 431 Movement Characteristics

  • Size12s
  • Jewels21j
  • ConfigurationOpenface
  • FinishNickel
  • Model1
  • SettingPendant
  • AdjustedYes

Grade 431 Production Info

  • Total Production2,500
  • Number of Runs3
  • Production Years1910-1920
  • First Serial619,001
  • Last Serial969,500
  • Largest Run1,000
  • Smallest Run500
  • Most Common Run1,000