Pocket Watch Database

E. Howard Watch Co. (Keystone) Size 12s Model 1912

Model 1912 Diagram

Movement Diagram

Model 1912 Diagram

Movement Diagram

E. Howard Watch Co. (Keystone) Model 1912 is a 12-Size bridge-plate pendant-set movement featuring a nickel finish.

Model 1912 Features

Size 12s
Configuration Openface
Plate Bridge
Setting Pendant
Finish Nickel
Notes Marked "Pat'd '12"
Model 1912 Example Images

Model 1912 Features

Size 12s
Configuration Hunting
Plate Bridge
Setting Pendant
Finish Nickel
Notes Marked "Pat'd '12"
Model 1912 Example Images

Model 1912 Production

Total Production: ~188,700
Est. Production Years: 1911 - 1929
Earliest Serial: 1,067,501
Latest Serial: 1,403,000
Runs: ~36
Most Frequent Run Size: 1,000
Distinctive Grades: 3

Model 1912 Grades

Grade Total Grade/Model Production Runs Est. Production Years Earliest Serial Latest Serial Profile Code
Series 6 12,500 9 1912 - 1916 1,172,001 1,309,000 12s-M1912-19j-ONP
Series 7 168,700 18 1912 - 1929 1,147,001 1,403,000 12s-M1912-17j-ONP
Series 8 7,500 9 1911 - 1915 1,067,501 1,289,000 12s-M1912-23j-ONP/HNP

Estimated Timeline for Grades

Comparitive Grade Production