Calfskin stitched, with synthetic lining material. DERBY BASIC A fine crowning and anti-allergic lining material make this delicate calfskin watch strap of the BASIC collection so attractive. This carefully worked leather watch strap is a stylish accessory for exclusive men’s and ladies wrist watches. The exceptionally luxurious leather watch strap is offered in the trendy elegant colours black, white, bordeaux, grey, dark blue, dark brown & red-brown. The anti-allergic lining material of the DERBY BASIC calfskin watch straps makes it so attractive for sophisticated wrist watch wearers.