clipped from: www.watchesgate.com   
Rubber is a surprisingly durable material and has been used in watch straps for quite some time. As a material it provides the flexibility and comfort of a leather strap whilst also offering the strength of a metal band.
When browsing this section please note that we have also included synthetic rubbers as well so watches with resin, PU or silicon straps can also be found here.

Classic and Exquisite Rubber Strap  Quartz Watch - Cobra

Royal Leopold Skin Strap Quartz Watch

Classic and Exquisite Rubber Strap Quartz Watch - Buffalo