Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1, SS1A, SS-1, SS-1A Based On Shanghai A581 Jewels 17 Beats per hour...
SS1A
Manufacturer Shanghai Watch Factory (上海) Caliber Number SS1K, SS-1K Based On Shanghai SS1 Jewels 17 Beats per hour 21,600 bph...
Recent Comments
Militado got this movement
Henry Archer Vesterhav. Mine is running at +2 sec/day. I do wish that the movement…
Step 1) Set the time correctly. Step 2) Wait 24 hours. Step 3) Compare the…
The wonderfully underrated Festina Automatic Skeleton (20632/1) also uses this movement. It keeps time better…
17 is the grout number. ST1701 is the specific automatic calibre and ST1700 the manual…
Duzu Watches of Western Australia use this movement in their DW-D3 diver range