Quartz movement, Sport watch, Gold-tone luminous hands and hour markers, Digital date display, Outer concave ring is set with a black tachymeter ruler, Atomic Timekeeping (US, Japan), Receives time calibration radio signals which keep the displayed time accurate, Auto receive function (up to 6 times per day), Manual receive function, Signal: WWVB, Frequency: 60kHz US, 40/60kHz Japan, Tough solar power, Auto LED Light with afterglow, Dual time, Daily alarm, 1/20 second chronograph, Measuring capacity: 59'59.99, Measuring modes: Elapsed time, Auto Calendar (pre-programmed until the year 2099), Accuracy: +/-20 seconds per month (with no signal calibration), Polished stainless steel silver-tone bezel is engraved with gold-tone hour markers, Polished gold-tone selector buttons and silver-tone caseback, 100 meters/330 feet water resistant