This strap is hard, waterproof, non-allergenic, durable and fadeless, much lighter than regular ceramic straps and stainless steel straps The strap is made of Italian environmental protective resin, and the clasp is made of stainless steel.
Resin is so popular because of its feather-like weight. You will not feel the band. This is hand polished and made from superior materials. Each piece of resin is slowly polished by experienced artisans.
For the sizes of series 7, the 38/40mm bands are compatible with 41mm, and the 42/44mm bands are compatible with 45mm watches. Lighter than stainless steel metal band. Extreme Lightness makes it very comfortable to wear, and besides skin-friendly.
