Pocket Watch Database

E. Howard Watch Co. (Keystone) Series 11

Grade Series 11 is a 21j Openface watch maufacturered by E. Howard Watch Co. (Keystone). The size 16s, Model E movement features a nickel finish and is adjusted to 5 positions, isochronism and temperature. This watch would have qualified for service on all railroads and was advertised for railroad service.

Series 11 Movement Characteristics

  • Size16s
  • Jewels21j
  • ConfigurationOpenface
  • FinishNickel
  • ModelE
  • SettingLever
  • AdjustedYes
  • Railroad GradeYes
  • Railroad Grade ClassClass A

Series 11 Production Info

  • Total Production25,100
  • Number of Runs11
  • Production Years1912-1928
  • First Serial1,181,001
  • Last Serial1,396,600
  • Largest Run6,000
  • Smallest Run600
  • Most Common Run1,000