Pocket Watch Database

E. Howard Watch Co. (Keystone) Series 4 Production Charts

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

[1905,1906,1907,1908,1909,1910,1911]
[480,0,0,100,530,14000,1500]




Grade Production Runs Lowest Highest Start End Profile Code/Image
Series 4 16,610 22 859,021 983,500 1905 1911
8,980 12 859,021 979,000 1905 1910 16s-M1905-17j-ONP-A5PTI-
480 859,021 859,500 1905
200 935,001 935,200 1909
200 935,801 936,000 1909
100 937,001 937,100 1909
1,500 951,001 952,500 1910
1,000 955,001 956,000 1910
1,000 957,001 958,000 1910
1,000 959,001 960,000 1910
1,000 961,001 962,000 1910
1,000 967,001 968,000 1910
500 969,001 969,500 1910
1,000 978,001 979,000 1910
1,600 2 913,601 983,500 1908 1911 16s-M1905-17j-ONM-A5PTI-
100 913,601 913,700 1908
1,500 982,001 983,500 1911
3,530 5 935,201 969,000 1909 1910 16s-M1905-17j-HNP-A5PTI-
30 935,201 935,230 1909
500 952,501 953,000 1910
1,000 954,001 955,000 1910
1,000 956,001 957,000 1910
1,000 968,001 969,000 1910
2,500 3 969,501 975,000 1910 1910 16s-M1905-17j-ONL-A5PTI-
500 969,501 970,000 1910
1,000 972,001 973,000 1910
1,000 974,001 975,000 1910