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E. Howard Watch Co. (Keystone) Grade Series 4 (Model 1905) Production Metrics

Grade:

Series 4

Size:

16s

Model:

1905

Total Runs:

22

Total Produced:

16,610

Production Era:

1905 - 1911

Earliest Serial:

#859,021

Latest Serial:

#983,500

E. Howard Watch Co. (Keystone) Grade Series 4 (Model 1905) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1905,1908,1909,1910,1911]
[480,100,530,14000,1500]

E. Howard Watch Co. (Keystone) Grade Series 4 (All Models) Production Metrics

Grade:

Series 4

Size:

16s

Model:

1905

Total Runs:

22

Total Produced:

16,610

Production Era:

1905 - 1911

Earliest Serial:

#859,021

Latest Serial:

#983,500

E. Howard Watch Co. (Keystone) Grade Series 4 Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1905,1906,1907,1908,1909,1910,1911]
[480,0,0,100,530,14000,1500]

E. Howard Watch Co. (Keystone) Grade Series 4 Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 859,021 859,500 480 1905 16S-M1905-17J-ONP-A5PTI
2 913,601 913,700 100 1908 16S-M1905-17J-ONM-A5PTI
3 935,001 935,200 200 1909 16S-M1905-17J-ONP-A5PTI
4 935,201 935,230 30 1909 16S-M1905-17J-HNP-A5PTI
5 935,801 936,000 200 1909 16S-M1905-17J-ONP-A5PTI
6 937,001 937,100 100 1909 16S-M1905-17J-ONP-A5PTI
7 951,001 952,500 1,500 1910 16S-M1905-17J-ONP-A5PTI
8 952,501 953,000 500 1910 16S-M1905-17J-HNP-A5PTI
9 954,001 955,000 1,000 1910 16S-M1905-17J-HNP-A5PTI
10 955,001 956,000 1,000 1910 16S-M1905-17J-ONP-A5PTI
11 956,001 957,000 1,000 1910 16S-M1905-17J-HNP-A5PTI
12 957,001 958,000 1,000 1910 16S-M1905-17J-ONP-A5PTI
13 959,001 960,000 1,000 1910 16S-M1905-17J-ONP-A5PTI
14 961,001 962,000 1,000 1910 16S-M1905-17J-ONP-A5PTI
15 967,001 968,000 1,000 1910 16S-M1905-17J-ONP-A5PTI
16 968,001 969,000 1,000 1910 16S-M1905-17J-HNP-A5PTI
17 969,001 969,500 500 1910 16S-M1905-17J-ONP-A5PTI
18 969,501 970,000 500 1910 16S-M1905-17J-ONL-A5PTI
19 972,001 973,000 1,000 1910 16S-M1905-17J-ONL-A5PTI
20 974,001 975,000 1,000 1910 16S-M1905-17J-ONL-A5PTI
21 978,001 979,000 1,000 1910 16S-M1905-17J-ONP-A5PTI
22 982,001 983,500 1,500 1911 16S-M1905-17J-ONM-A5PTI
RUNS

22

 FIRST

859,021

 LAST

983,500

 ESTIMATED PRODUCTION

16,610

 PRODUCTION ERA

1905 - 1911