Synthetic rubber strap with a butterfly buckle, fits Ternos Ceramic (20mm).
Please note that the Ternos Ceramic Rubber bracelet (20mm) fits exclusively to the DAVOSA Ternos Ceramic models with the back numbers 6306, 6666, 6756, and 1801. The Ternos Professional Rubber bracelet (22mm) is only suitable for the models with the back numbers 1013, 1030, 1035, and 6779. Please check this number with the engraved number on the back of your watch.
I realized that this rubber strap that I purchase is absolutely fantastic how to take you to the jeweler to get a size And your watchers are definitely the best keep up the good work Swiss made rocks!!