![]() So, please supply more information about any markings on the case, and we can tell you more. Each of these had their own hallmark-like marking. They also had a grade which was 14K gold on top of 8K gold. ![]() Star was the economy grade where only the outside of the case had a layer of 9ct gold, the remainder being gold plated. ![]() Dennison cases of that era came in three grades, Sun, Moon and Star. Dennison was at the time (about 1900), a case maker in the UK. "Eagle" cases were 8 karat-which is too low to be legally called gold, but none the less were the same composition all the way through. Looks like a nice original Omega cased in a Dennison 'Star' grade case. The Brooklyn Watch Case company(B.W.C.Co.), also made some cases which are a sort of in-between from gold filled and solid gold. The gold content is not always marked, although 14K(the highest generally seen for US-made watch cases) will usually be. "Warranted US Assay" generally means gold. Statements like "Guaranteed X years" always mean gold filled. I'm not aware of any case serial number records which survived, so there's no way I know of to look up a case by SN.Īny markings on the inside of the case which you can supply would be very telling. So, no, information on the movement won't tell you anything about the case. American pocket watches were rarely cased at the factory(at least not until the 1920s), and in most cases there really wasn't even any relationship between the watch maker and case maker.
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