Zenith Chronomaster Original Boutique Edition Men's Chronograph with automatic movement and chronometer certification. Features include a blue dial with luminous elements, silver-tone stainless steel case and bracelet, fixed bezel, analog display, date function at 4-5 o'clock position, central second hand for elapsed time recording (1/10 sec precision), three sub-dials displaying seconds, minutes, and chronometer seconds, Calibre El Primero 3600 automatic movement with column wheel mechanism, approximately 60 hours power reserve, scratch-resistant sapphire crystal, transparent case back, round 38mm case size, double folding clasp closure, water resistance to 50 meters (165 feet).