Here is a meditation  band with a width of 13 mm,  solid sterling silver with 2 smooth wire rings and a central silver 781905-5cc190 3194-bb3b-136bad5cf58d_ in 10k yellow gold. On this model, the rings are mobile and move around the ring.  The finish is polished and oxidized.
 
Available here in a single size 7.75, this bangle is also available in all sizes and on mesur just here.