Aviation Concept Line - Diving watch, tough, Positive (dark-on-light) numbers, 1/100-second digital chronograph measures elapsed time, split time and two finishes, Countdown timer, World time function, Home city code, Alarm mode, 12/24-hour formats, Standard/Daylight Saving time feature, Full Auto-calendar pre-programmed to 2099, EL backlight, Digital day-date-and-month display, Charcoal dial with digital grey display panels, Polished white aerodynamic hands with luminous accents, Polished white hands mark mode and 12-hour subdials, Applied luminescent Arabic numbers mark twelve and six o'clock, Applied luminescent square hour markers, Grey print, Arabic numbers and indices mark subdials, Grey indices form surrounding minute track, Luminescent function webs, Brushed silver-tone stainless steel bracelet with polished accents, adjustable links and push-button-clasp, Charcoal resin bezel with engraved black print, Shock resistant charcoal resin/brushed silver-tone stainless steel round case designed to withstand centrifugal gravity loads, Polished steel selector buttons, Stainless steel screw-in caseback, Mineral crystal, 200 meters/660 feet water resistant