Take action and show your inner drive with the versatile styling of the latest Sport Casual chronograph. The watch features a 41mm black ion-plated stainless steel case with modern, stepped-pushers and a deeply knurled crown. A sandblasted finish adds to the watch’s sporty charm, with it secured to the wrist with a navy leather strap. On the blue dial, an aviation-inspired chronograph design is at work, featuring white accents and a 3 o’clock date window. Featuring our Eco-Drive technology Ð sustainably powered by light, any light. Never needs a battery. Water resistant up to 100 meters. Calibre number B642.