Thin 1980s Shanghai SS8
The SS8 is the same calibre as the Shanghai B, 8120 or SB1H -- same movement, differing nomenclature.
There will be more photos and info coming in a full article, but this is to introduce (I hope I have this right) Mr. Ren Yifan, who is an acknowledged craftsman and collector, and one of the group leaders of a small but very organized group of independent young watchmakers in Beiing.
A photo of the shared workshop in Beijing
Members of the workshop gifted this Shanghai watch to the AMCHPR...
... and Mr. Ren later gifted a host of other cool exhibits. Here's one from the upcoming article:
A Hongqi factory caseback wrench (I'd never seen one before).
...and I love the...we'll call it "patina"...on the watch case.
It probably shouldn't have worked--but it does
Curator: Alberta Museum of Chinese Horology in Peace River; Member: China Horologe Association; Chief Expert: China Watch Overseas Working Committee (CWOWC); Sino-Canadian Horological Cultural Affairs...
Love the look 🔥
What a beauty!