Shanghai Watch Factory Caliber SS1KManufacturer Shanghai Watch Factory (上海) Caliber Number SS1K, SS-1K Based On Shanghai SS1 Jewels 17 Beats per hour 21,600 bph...Mechanical 21
Shanghai Watch Factory Caliber SS1Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1, SS1A, SS-1, SS-1A Based On Shanghai A581 Jewels 17 Beats per hour...Mechanical 10
network of watch sites network of watch sites network of watch sites
