Illinois pocket watch dating
During World War II, production of consumer watches was stopped, more than one million watches were shipped overseas to troops.Hamilton also produced several models of chronometers to meet the US Armed Forces need for an extremely accurate timepiece which could be used for navigation at sea.
12-size pocket watch movements for gentlemen were introduced in 1909.By 1914 over 100,000 grade It should be noted that most major railroads only approved open face watch movements in open face cases after 1907-1908, although some railroads continued to accept hunting case movements in hunting cases until the early 1920's.Pendant-set watches were commonly accepted until 1906-1908.The first Hamilton chronometers were delivered to the Navy in February 1942.In 1957, Hamilton introduced the world's first electric watch, the Hamilton Electric 500.Henry J Cain replaced Bitner as superintendant in mid-1889 and began reorganizing the factory with the goal of introducing a new product line. Other 18-size pocket watch movements manufactured to meet railroad time service requirements included: Hamilton began producing 16-size watches for railroad service in 1896.
Cain left by mid-1890, and the Keystone Standard Watch Company soon went into bankruptcy. Popularity of 16-size movements had increased after the establishment of railroad standards in 1892, reaching 15% of production by the turn of the century.
In August 1890 a group of Aurora investors including Henry Cain and Charles D. By mid-1891 Henry Cain began designing a new line of railroad style movements. Total 16-size watch movement production exceeded 18-size watches by 1915.
Rood purchased the the Aurora Watch Company in Aurora, Illinois at auction. had been producing high-grade and mid-grade watches since 1884, however the company had gone into receivership in late 1889. In June 1892 a group composed of mostly Lancaster residents, including J. Grade movements manufactured evolved, including an upgraded escapement from single-roller to double-roller around 1906, were re-introduced as optionally factory cased in 1924, and upgraded with an Elinvar hair spring and monometalic balance in 1931.
6/0-size women's wristlet watches were introduced in 1912.
Hamilton introduced its first wristwatch for men in 1917, designed to appeal to men entering World War I.
and the Hamilton Watch Company was established in October 1892. Production began on a new high quality 18-size, 17-jewel, open face, full-plate nickel movement, designed by Henry J.