ZENITH DEFY El Primero 21 ref 95.9000.9004/78.R582 Automatic Watch, new Chronograph movement with 1/100th of a second 44 x 14.5 mm case in Titanium-Alligator strap, Rubber with deployant clasp in Titanium.
Skeleton Dial.
The seconds hand of the chronograph makes a rotation in a second dividing it into 100 parts, as indicated on the scale mail on the edge of the dial.
The new engine consists of two rocker arms 1, the escapement for the watch (36,000 VpH - 5 Hz) ; 1 exhaust for the Chronograph (360,000 VpH - 50Hz).
Indication of the reserve charge of the Chronograph at 12 o'clock.