Do Galaxy Watch Ultra bands fit other Galaxy Watch models?
No. Samsung says the Galaxy Watch Ultra has a 34 mm band connection, incompatible with earlier Galaxy Watch bands, and lists Ultra2 bands only for Ultra2 and Ultra.
Official page: Samsung
What the makers say
- Galaxy Watch Ultra can only be used with its dedicated bands: its band connection is 34 mm wide and is incompatible with any previously released Galaxy Watch bands.
Official page: Samsung
- Samsung's Galaxy Watch Ultra2 bands are compatible with Galaxy Watch Ultra2 and Galaxy Watch Ultra, and use the Dynamic Lug System.
Official page: Samsung
- Samsung Australia's support page says the Ultra line is only compatible with bands made for the Ultra line, and that standard 20 mm bands will not fit.
Official page: Samsung
- Samsung says the Galaxy Watch8 series uses a new dedicated attachment mechanism that is not compatible with bands from previously released models, and that bands are mutually compatible between Galaxy Watch8 and Galaxy Watch8 Classic.
Official page: Samsung