Pocket Watch Database

E. Howard Watch Co. (Keystone) Waltham 21J Production Charts

Note: Production dates are estimations but should be accurate within +/- 3 years.

[1903]
[170]




Grade Production Runs Lowest Highest Start End Profile Code/Image
Waltham 21J 170 5 H829,561 1,025,050 1903 1903
50 1 1,025,001 1,025,050 1903 1903 12s-MBridge-21j-ONP-A-
50 1,025,001 1,025,050 1903
100 2 H825,201 H816,400 1903 1903 16s-MBridge-21j-ONP-A-
50 H816,351 H816,400 1903
50 H825,201 H825,250 1903
10 1 H829,541 H829,550 1903 1903 16s-MBridge-21j-HNP-A-
10 H829,541 H829,550 1903
10 1 H829,561 H829,570 1903 1903 16s-M1903-21j-ONP-A-
10 H829,561 H829,570 1903