Pocket Watch Database

E. Howard Watch Co. (Keystone) Series 7 Production Charts

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

[1910,1911,1912,1913,1914,1915,1916,1917,1918,1919,1920,1921,1922,1923,1924,1925,1926,1927,1928,1929]
[1000,39900,45100,45500,11000,14000,0,39500,0,11000,9000,10000,0,0,0,0,0,0,0,6500]




Grade Production Runs Lowest Highest Start End Profile Code/Image
Series 7 232,500 40 977,001 1,403,100 1910 1929
47,400 19 977,001 1,143,000 1910 1912 12s-M1908-17j-ONP-A3PT-
1,000 977,001 978,000 1910
1,050 987,401 988,450 1911
2,500 988,501 991,000 1911
2,350 994,001 996,350 1911
1,700 996,401 998,100 1911
1,600 998,201 999,800 1911
2,500 1,000,001 1,002,500 1911
3,000 1,051,001 1,054,000 1911
1,200 1,054,501 1,055,700 1911
500 1,058,001 1,058,500 1911
2,000 1,061,001 1,063,000 1911
2,500 1,068,001 1,070,500 1911
4,000 1,080,001 1,084,000 1911
3,000 1,087,001 1,090,000 1911
3,000 1,091,001 1,094,000 1911
3,000 1,097,001 1,100,000 1911
500 1,110,001 1,110,500 1912
6,000 1,130,001 1,136,000 1912
6,000 1,137,001 1,143,000 1912
6,000 2 1,064,001 1,075,000 1911 1911 12s-M1908-17j-HNP-A3PT-
2,000 1,064,001 1,066,000 1911
4,000 1,071,001 1,075,000 1911
112,100 15 1,147,001 1,385,000 1912 1920 12s-M1912-17j-ONP-A3PT-
1,000 1,147,001 1,148,000 1912
1,500 1,156,501 1,158,000 1912
8,000 1,162,001 1,170,000 1912
100 1,172,501 1,172,600 1912
8,000 1,173,001 1,181,000 1912
14,000 1,190,001 1,204,000 1912
12,000 1,205,001 1,217,000 1913
10,000 1,220,001 1,230,000 1913
6,000 1,231,001 1,237,000 1913
4,500 1,240,001 1,244,500 1913
13,000 1,247,001 1,260,000 1913
11,000 1,267,001 1,278,000 1914
14,000 1,290,001 1,304,000 1915
3,000 1,375,001 1,378,000 1920
6,000 1,379,001 1,385,000 1920
67,000 4 1,320,501 1,403,100 1917 1929 12s-M1912-17j-ONP-A3PT-Arrow and Empty Circle
39,500 1,320,501 1,360,000 1917
11,000 1,363,001 1,374,000 1919
10,000 1,386,001 1,396,000 1921
6,500 1,396,601 1,403,100 1929