Pocket Watch Database

E. Howard Watch Co. (Keystone) Series 1 Production Charts

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

[1903,1904,1905,1906,1907,1908,1909,1910,1911]
[1000,0,0,0,0,200,0,4000,1500]




Grade Production Runs Lowest Highest Start End Profile Code/Image
Series 1 6,700 9 970,501 1,115,000 1903 1911
200 1 970,501 970,700 1908 1908 16s-M1907-19j-ONP-A0PTI-Type 2
200 970,501 970,700 1908
600 1 1,010,001 1,010,600 1903 1903 16s-M1903-19j-HNP-A0PTI-
600 1,010,001 1,010,600 1903
400 1 1,015,001 1,015,400 1903 1903 16s-M1903-19j-ONP-A0PTI-
400 1,015,001 1,015,400 1903
1,500 1 1,095,501 1,097,000 1910 1910 16s-M1907-21j-ONL-A0PTI-Type 3A
1,500 1,095,501 1,097,000 1910
3,000 3 1,100,001 1,107,500 1910 1911 16s-M1907-21j-ONL-A0PTI-Mixed
1,500 1,100,001 1,101,500 1910
1,000 1,102,001 1,103,000 1910
500 1,107,001 1,107,500 1911
400 1 1,114,001 1,114,400 1911 1911 16s-M1907-21j-ONL-A0PTI-Type 3B
400 1,114,001 1,114,400 1911
600 1 1,114,401 1,115,000 1911 1911 16s-M1907-21j-ONL-A0PTI-Type 5
600 1,114,401 1,115,000 1911