Howard Pocket Watch Serial Numbers

Look up Howard Pocket Watch serial numbers - Below is a quick reference guide for E.Howard & Co Pocket Watch Serial numbers. When reading this serial number list, you should first find out the correct size of your watch and then match the serial number with the correct year of manufacture.

Pocket Watch Serial numbers

Below is a picture of the serial number on the pocket watch case. This bears no relation to the movement.

Pocket Watch Case Serial Number

Letter	Inches	mm	Size
N	1 13/16	46.04	18
L	1 11/16	42.86	16
K	1 10/16	42.27	14
J	1 9/16	39.69	12
I	1 8/16	38.10	10
H	1 7/16	36.51	8
G	1 6/16	34.93	6
F	1 5/16	33.34	4
E	1 4/16	31.75	2
D	1 3/16	30.16	0

Year	Serial No	Series	No Produced
1858 - 1860	113 - 1900	I (18S)	1,800
1860 - 1861	1,901 - 3,000	II (18S)	1,200
1861 - 1862	3,001 - 3,100	K (14S)	100
1861 - 1863	3,301 - 3,400	See Notes*	See Notes*
1861 - 1863	3,301 3,400	III (18S)	100
1861 - 1863	3,401 - 3,500	i (10S)	100
1861 - 1871	3,501 - 28,000	III (18S)	24,500
1868 - 1883	30,001 - 50,000	IV (18S)	20,000
E1869 - 1899	50,001 - 71,500	V (16S)	21,500
1874 - 1878	100,001 - 105,500	VI (6S)	5,500
1883 - 1899	200,001 - 227,000	VII (18S)	27,000
1893 - 1894	228,001 - 321,000	VII (18S)	3,000
1884 - 1899	300,001 - 309,000	VIII (18S)	9,000
1895 - 1903	309,001 - 310,000	VIII (18S)	1,000
1890 - 1895	400,001 - 405,000	IX (18S)	5,000
1892 - 1899	500,001 - 501,500	X (12S)	1,500
1895 - 1903	600,001 - 601,500	XI (16S)	1,500
1896 - 1904	700,001 - 705,500	XII (16S)	1,500
Notes: Reserved for experimentals.

As with many pocket watch manufacturers, in 1902 the Howard Pocket Watch name was transferred to the Keystone Watch Case Co. Keystone then produced complete (movement and case) Howard watches from 1902. below is a list of expected serial numbers to cover the Keystone ownership period.