Pocket Watch Database

E. Howard Watch Co. (Keystone) Size 16s Model E: Overview & Production

Model E Features

E. Howard Watch Co. (Keystone) Model 16s E Diagram

Movement Diagram

Note: Diagrams and photos displayed are intended to serve as a represenation of this model.
Plate cut, finishing style, jewel count, regulator, and other features may differ between grades within the same model designation.
Size 16s
Configuration Openface
Plate Bridge
Setting Lever
Finish Nickel
Notes Series 11
Model E Image Gallery

Model E Production

Total Production: ~25,100
Est. Production Years: 1912 - 1928
Earliest Serial: 1,181,001
Latest Serial: 1,396,600
Runs: ~11
Smallest Run: 600
Largest Run: 6,000
Distinctive Grades: 1

Model E Production Segments

Model E (All Variations): 25,100 ETP
Nickel: 25,100 (100.00%)
Openface: 25,100 (100.00%)
Lever: 25,100 (100.00%)
21j: 25,100 (100.00%)