A force to be reckoned...men's Blackhawk Mach 3 alarm chronograph from Chase-Durer. Bold, ultra-modern lines are rugged and durable. Contoured case has a striking brushed black finish on stainless steel. Case is integrated into the high-tech strap in black steel and black rubber. Unidirectional, ratcheted brushed black metal bezel with engraved 0-60 markers. Black dial with three subdials, tachometer outer ring and automatic date calendar at the 3 o'clock hour. Highly legible hands and Arabic numeral markers feature a special Tritium/SPO system for continuous illumination. Chronograph features 1/20th second, 60-minute and 12-hour registers. Scratch resistant mineral crystal. Screw-locked crown and caseback for water resistance to 100 meters (330 feet). Strap has a push-button deployment buckle for added security. Precise quartz movement. Case is 38mm diameter, 11.5mm thick.