Pocket Watch Database

E. Howard Watch Co. (Keystone) Series 0 Production Charts

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

[1903,1904,1905,1906,1907,1908,1909,1910,1911,1912,1913,1914,1915,1916]
[850,0,0,0,200,1800,1300,3400,2500,500,3500,0,1200,1500]




Grade Production Runs Lowest Highest Start End Profile Code/Image
Series 0 16,750 30 953,001 1,320,000 1903 1916
250 2 953,001 953,350 1907 1908 16s-M1907-23j-HNP-A5PTI-Straight Bridge Jeweled Barrel
100 953,001 953,100 1907
150 953,201 953,350 1908
1,250 4 953,101 1,054,500 1907 1909 16s-M1907-23j-ONP-A5PTI-Straight Bridge Jeweled Barrel
100 953,101 953,200 1907
150 953,351 953,500 1908
500 953,501 954,000 1908
500 1,054,001 1,054,500 1909
1,000 1 976,001 977,000 1908 1908 16s-M1907-23j-ONL-A5PTI-Straight Bridge Jeweled Barrel
1,000 976,001 977,000 1908
750 1 1,000,001 1,000,750 1903 1903 16s-MBridge-23j-HNP-A5PTI-Straight Bridge Jeweled Barrel
750 1,000,001 1,000,750 1903
100 1 1,005,001 1,005,100 1903 1903 16s-MBridge-23j-ONP-A5PTI-Straight Bridge Jeweled Barrel
100 1,005,001 1,005,100 1903
1,400 3 1,057,301 1,104,000 1909 1910 16s-M1907-23j-HNP-A5PTI-Hooked Bridge Jeweled Barrel
200 1,057,301 1,057,500 1909
700 1,077,001 1,077,700 1910
500 1,103,501 1,104,000 1910
4,100 7 1,066,501 1,114,000 1909 1911 16s-M1907-23j-ONL-A5PTI-Hooked Bridge Jeweled Barrel
100 1,066,501 1,066,600 1909
500 1,078,501 1,079,000 1910
200 1,079,801 1,080,000 1910
1,000 1,086,001 1,087,000 1910
500 1,103,001 1,103,500 1910
300 1,112,201 1,112,500 1911
1,500 1,112,501 1,114,000 1911
200 1 1,112,001 1,112,200 1911 1911 16s-M1907-23j-ONP-A5PTI-Hooked Bridge Jeweled Barrel
200 1,112,001 1,112,200 1911
6,500 7 1,116,501 1,320,000 1911 1916 16s-M1907-23j-ONL-A5PTI-Hooked Bridge Jeweled Banking Pins
500 1,116,501 1,117,000 1911
1,000 1,155,001 1,156,000 1913
1,500 1,158,501 1,160,000 1913
1,000 1,237,001 1,238,000 1913
1,000 1,285,001 1,286,000 1915
1,000 1,316,001 1,317,000 1916
500 1,319,501 1,320,000 1916
1,200 3 1,136,001 1,286,200 1909 1915 16s-M1907-23j-HNP-A5PTI-Hooked Bridge Jeweled Banking Pins
500 1,136,001 1,136,500 1912
500 1,143,001 1,143,500 1909
200 1,286,001 1,286,200 1915