PILOT IW377706 ZF FACTORY STAINLESS STEEL BEZELThe IWC Pilot Ref. IW377714 is coupled using a brown calfskin leather-based strap with notable, product-coloured stitching that adds into the stylish element of this watch. Flipping the brown leather-based strap over, you can find that the underside of it is available in an sudden, funky orange colour.