Case/Bezel Material: Resin Resin Band Shock Resistant (G-SHOCK) Mineral Glass 200-meter water resistance World Time: 48 cities (29 time zones), daylight saving on/off Moon data (moon age of the specific date, moon phase graph) Tide graph Stopwatch x 2 (1/100 second, 1000-hour counter, with split), stopwatch 1 with 5-second countdown auto-start function Timer (set unit: 1 minute, maximum set: 24 hours, measured in 1-second increments, auto-repeat, time up notification) Multi-alarm 5 (with snooze function for one alarm) / Hourly time signal Full auto-calendar 12/24-hour format Low-temperature resistance (-20°C) Button operation tone on/off EL backlight (auto light, afterglow, afterglow time switch (3 seconds / 5 seconds)) Flash alert function (alarm / hourly time signal, timer time up / time up, stopwatch auto start, sound-linked light emission) Accuracy: ±15 seconds per month Battery life: Approximately 2 years Size: 52.4 x 50 x 17.7mm - This is not a radio-controlled watch. - Instruction manual included. It has been used, so there are many scratches, but it has been cleaned as much as possible.