2007年6月3日 · The Illinois Watch Case Co. “Supreme” was originally a 10-year gold-filled case.Then, much later, it was a base metal, chrome-plated case, introduced in the very late 1920s or in the 1930s.

2009年4月30日 · The Elgin National Watch Co. was the largest American watch company in terms of jeweled movements produced, over 50,000,000 in its approximately 100 years of building watches from 1866 to the 1960s.

2011年2月19日 · I recently found a pocket watch with the name Washington USA on its face. It appears to be gold or gold plated and was left to me in a box from my great great aunt. Inside the back, engraved are the following items: Baystate WCCO 20 years 1626216 98307 Along the rim is: 8074457 11 Jewels...

2009年5月3日 · Keystone was not absorbed by E. Howard, rather the Keystone WCCo bought the rights to use the Howard name and made what are known to collectors as Keystone Howard watches in Waltham, Mass. from approx. 1903 till 1927 or 1930 (depending on source). After Keystone stopped making pocket watches Hamilton bought the rights to use the Howard name.