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E. Howard Watch Co. (Keystone) Grade Series 1 (Model 1903) Production Metrics

Grade:

Series 1

Size:

16s

Model:

1903

Total Runs:

2

Total Produced:

1,000

Production Era:

c.1903

Earliest Serial:

#1,010,001

Latest Serial:

#1,015,400

E. Howard Watch Co. (Keystone) Grade Series 1 (Model 1903) Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1903]
[1000]

E. Howard Watch Co. (Keystone) Grade Series 1 (All Models) Production Metrics

Grade:

Series 1

Size:

16s

Model:

1903

Total Runs:

9

Total Produced:

6,700

Production Era:

1903 - 1911

Earliest Serial:

#970,501

Latest Serial:

#1,115,000

E. Howard Watch Co. (Keystone) Grade Series 1 Production By Year

Production dates are estimations based on serial number extrapolation and should be accurate within +/- 3 years.
[1903,1904,1905,1906,1907,1908,1909,1910,1911]
[1000,0,0,0,0,200,0,4000,1500]

E. Howard Watch Co. (Keystone) Grade Series 1 Production Runs

Run Sequence Run Start Run End Quantity Est. Production Year Profile Code
1 970,501 970,700 200 1908 16S-M1907-19J-ONP-A0PTI-TYPE 2
2 1,010,001 1,010,600 600 1903 16S-M1903-19J-HNP-A0PTI
3 1,015,001 1,015,400 400 1903 16S-M1903-19J-ONP-A0PTI
4 1,095,501 1,097,000 1,500 1910 16S-M1907-21J-ONL-A0PTI-TYPE 3A
5 1,100,001 1,101,500 1,500 1910 16S-M1907-21J-ONL-A0PTI-MIXED
6 1,102,001 1,103,000 1,000 1910 16S-M1907-21J-ONL-A0PTI-MIXED
7 1,107,001 1,107,500 500 1911 16S-M1907-21J-ONL-A0PTI-MIXED
8 1,114,001 1,114,400 400 1911 16S-M1907-21J-ONL-A0PTI-TYPE 3B
9 1,114,401 1,115,000 600 1911 16S-M1907-21J-ONL-A0PTI-TYPE 5
RUNS

9

 FIRST

970,501

 LAST

1,115,000

 ESTIMATED PRODUCTION

6,700

 PRODUCTION ERA

1903 - 1911