Pocket Watch Database

E. Howard Watch Co. (Keystone) Series 12


Photo Contributed By BradHoward
Grade Series 12 is a 17j Openface watch maufacturered by E. Howard Watch Co. (Keystone). The size 10s, Model 1921 movement features a nickel finish and is adjusted to 3 positions, isochronism and temperature.

Series 12 Movement Characteristics

  • Size10s
  • Jewels17j
  • ConfigurationOpenface
  • FinishNickel
  • Model1921
  • SettingPendant
  • AdjustedYes
  • Railroad GradeNo

Series 12 Production Info

  • Total Production47,450
  • Number of Runs5
  • Production Years1921-1928
  • First Serial12,001
  • Last Serial63,450
  • Largest Run26,000
  • Smallest Run3,000
  • Most Common Run4,000