Astronautical chronometer inspired by the dark side of the moon. Features a black ceramic case and black nylon strap. Includes fixed black ceramic bezel with tachymeter markings, black dial with luminous black hands and index hour markers featuring minute markers around the outer rim. Analog display type with luminescent coated hands and indices for enhanced nighttime readability. Date window positioned at 6 o'clock. Chronograph functions powered by Omega Calibre 930 automatic movement: operates two sub-dials displaying seconds (up to 60) and hours (up to 12). Movement is a chronometer certified, operating with 54 jewels, composed of approximately 337 parts, beats at 28800 vph, offers about 60-hour power reserve. Equipped with scratch-resistant sapphire crystal glass, pull/push crown activation mechanism for functions, transparent case back design revealing the movement. Round shaped case measuring 44.25mm in diameter and 16.3mm thick. Band width is 22.9mm suitable for standard wrist sizes up to approximately 9 inches (approx. 220mm) circumference when adjusted properly via deployment clasp closure system. Rated water resistant up to depths of 50 meters / 165 feet under normal conditions, not intended for diving activities or extreme pressure environments beyond that limitation specified by manufacturer standards. Functions include chronograph timing capability alongside date display, analog hour and minute indicators along with second sweep pointer functionality, tachymeter feature on the bezel useful for speed calculations during travel between two points marked simultaneously. Styled as a luxury watch suitable for everyday use or special occasions requiring precision timekeeping capabilities from this professional-grade sports model within its collection.