The Avenger Blackbird is a true professional's tool, with a 48mm diameter, lightweight titanium case, and easy-to-read dial. Its sleek all-black design adds a touch of technical sophistication and eliminates any distracting glare during intense missions. The durable military-style fabric or rubber strap adds to its comfortable fit on the wrist. This watch is ready for the most extreme adventures, powered by the precise COSC-certified caliber B17. The REF: E1731063|BD12|137S model features a diamond-set case, black dial, and rubber strap.