DEFY EXTREME | 45 mm | AutomaticZENITH DEFY Extreme 1 100th of a second high frequency chronograph watch in a 45mm brushed titanium case and blue movement. The DEFY Extreme 1 100th of a second chronograph is made in light yet robust titanium with a mix of polished and satin brushed finishes. The sapphire dial with applied counters reveals the blue El Primero 21 automatic movement with two escapements beating at 50Hz and 5Hz. The DEFY Extreme watch comes with a titanium strap as well