Zenith Chronomaster El Primero Automatic Chronograph Watch 03.20416.4061/51.C802

Automatic mechanical chronograph movement, Calibre El Primero 4061 based on the classic 400 caliber. Features a column wheel mechanism and 31 jewels for precision. Includes two sub-dials displaying 12 hours and 30 minutes elapsed time along with analog hour and minute hands, luminous markers. Possesses tachymeter function marked around the bezel. Silver-tone stainless steel case, fixed silver-tone bezel. Blue nylon strap equipped with a butterfly clasp for easy adjustment. Blue open-heart dial with luminous silver-tone indices and hands. Scratch-resistant sapphire crystal glass. Pull/push crown operation. Transparent case back allowing view of internal components. Round case measuring 42 mm in diameter and 14.05 mm thick. Band width is 21 mm. Water resistant to 100 meters / 330 feet depth.