OW Chronograph Leather strap A limited amount of COSC

A limited amount of COSC Certified versions will be available as an optional upgrade

5 mm × 15

hand-finished in Switzerland

Cadmium Yellow nylon RAF

A 20 mm medium gauge

OW Chronograph Leather strap A limited amount of COSCOne of OWs best known specialty chronographs, the Navichron line has long been a favourite of professionals and sportsmen around the world. When first introduced in the late1960s, it became an instant hit with pilots, sailors, soldiers, engineers and world travellers. As one of the first dual pusher chronographs water resistant to 200 m, it was also adopted by skin divers and frogmen. Swiss made Valjoux 7753 Automatic 500 m 50ATM Diameter (excluding