Baoshihua 宝石花 7720 101
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Baoshihua 7720 101
Baoshihua (gemstone flower) was the main brand of tongji watches produced by Shanghai No. 2 Watch Factory, but for some reason Shanghai Watch Factory also produced models with the Baoshihua brand name for a time. The 7720 was a date version. The movement dates to September 1983.