Calfskin with velvety grip. SOFTINA BASIC The wonderfully soft calfskin makes this leather watch strap of the BASIC collection so attractive. This carefully worked leather strap is a luxurious accessory for men’s wrist watches and stylish ladies’ watches. The exceptionally soft leather watch strap is available in classical colours black, white, red-brown, dark brown & dark blue. The wonderfully soft leather of SOFTINA BASIC calfskin watch straps make it so attractive for sophisticated wrist watches.