Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1K, SS-1K Based On Shanghai SS1 Jewels 17 Beats per hour 21,600 bph...
SS1
Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1, SS1A, SS-1, SS-1A Based On Shanghai A581 Jewels 17 Beats per hour...
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Exciting breaking news for the watch community! Thank you Caliber Corner!
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