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E. Howard Watch Co. (Keystone) Grade Series 8 (Model 1908) Production Metrics

Grade:

Series 8

Size:

12s

Model:

1908

Total Runs:

16

Total Produced:

4,450

Production Era:

1909 - 1912

Earliest Serial:

#1,055,901

Latest Serial:

#1,121,000

E. Howard Watch Co. (Keystone) Grade Series 8 (Model 1908) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1909,1910,1911,1912]
[1000,1200,815,1435]

E. Howard Watch Co. (Keystone) Grade Series 8 (All Models) Production Metrics

Grade:

Series 8

Size:

12s

Model:

1908

Total Runs:

26

Total Produced:

14,400

Production Era:

1909 - 1921

Earliest Serial:

#1,055,901

Latest Serial:

#1,290,000

E. Howard Watch Co. (Keystone) Grade Series 8 Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1909,1910,1911,1912,1913,1914,1915,1916,1917,1918,1919,1920,1921]
[1000,1700,1565,1435,3900,1000,542,542,542,542,542,542,548]

E. Howard Watch Co. (Keystone) Grade Series 8 Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 1,055,901 1,056,000 100 1909 12S-M1908-21J-HNP-A5PT
2 1,059,001 1,059,400 400 1909 12S-M1908-21J-ONP-A5PT
3 1,066,001 1,066,500 500 1909 12S-M1908-21J-ONP-A5PT
4 1,066,801 1,067,000 200 1910 12S-M1908-21J-ONP-A5PT
5 1,067,501 1,067,550 50 1910 12S-M1908-23J-ONP-A5PT
6 1,067,551 1,068,000 450 1910 12S-M1908-21J-ONP-A5PT-SAFETY
7 1,070,501 1,070,700 200 1910 12S-M1908-23J-ONP-A5PT-GOING
8 1,070,701 1,071,000 300 1910 12S-M1908-21J-ONP-A5PT-GOING
9 1,095,001 1,095,500 500 1910 12S-M1912-23J-HNP-A5PT
10 1,105,501 1,106,000 500 1911 12S-M1908-21J-ONP-A5PT
11 1,106,001 1,106,750 750 1911 12S-M1912-23J-ONP-A5PT
12 1,106,751 1,107,000 250 1911 12S-M1908-21J-ONP-A5PT
13 1,119,501 1,119,565 65 1911 12S-M1908-21J-ONP-A5PT
14 1,119,566 1,119,700 135 1912 12S-M1908-23J-ONP-A5PT
15 1,119,701 1,120,000 300 1912 12S-M1908-21J-ONP-A5PT
16 1,120,001 1,120,200 200 1912 12S-M1908-23J-ONP-A5PT
17 1,120,201 1,120,500 300 1912 12S-M1908-21J-ONP-A5PT
18 1,120,501 1,121,000 500 1912 12S-M1908-23J-ONP-A5PT
19 1,172,601 1,173,000 400 1913 12S-M1912-23J-ONP-A5PT
20 1,204,501 1,205,000 500 1913 12S-M1912-23J-ONP-A5PT
21 1,218,001 1,219,000 1,000 1913 12S-M1912-23J-ONP-A5PT
22 1,230,501 1,231,000 500 1913 12S-M1912-23J-ONP-A5PT
23 1,244,501 1,245,500 1,000 1913 12S-M1912-23J-ONP-A5PT
24 1,246,501 1,247,000 500 1913 12S-M1912-23J-ONP-A5PT
25 1,265,001 1,266,000 1,000 1914 12S-M1912-23J-ONP-A5PT
26 1,286,201 1,290,000 3,800 1915 12S-M1912-23J-ONP-A5PT
RUNS

26

 FIRST

1,055,901

 LAST

1,290,000

 ESTIMATED PRODUCTION

14,400

 PRODUCTION ERA

1909 - 1921