Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1K, SS-1K Based On Shanghai SS1 Jewels 17 Beats per hour 21,600 bph...
SS1A
Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1, SS1A, SS-1, SS-1A Based On Shanghai A581 Jewels 17 Beats per hour...
Recent Comments
Hi Tom, our understanding of heavy drive is that it compensates for out-of-balance seconds hands…
Would you be kind enough to provide diving watches that use this movement? I have…
With the Heavy Drive / High Torque shock protection, what can you tell us about…
It's just black backplate and I've seen the gooseneck on other ST-19 watches.
Thats a boat load of money for a module 2892A2..
I have one în a hamilton jazzmaster thinline and it is loud
How noisy is it? My watch with L888 is quite noisy