Case/Bezel Material: Resin Resin Band Shock Resistant (G-SHOCK) Mineral Glass 200-meter water resistance Multi Time: Up to 4 different cities can be registered and displayed, with the ability to switch between cities. World Time: 48 cities (31 time zones, with summer time setting) + UTC (Coordinated Universal Time) time display, home time city switching function Stopwatch (1/100 second, 24-hour counter, with split) Timer (set unit: 1 second, maximum set: 24 hours, measured in 1/10 second increments) 5 daily alarms (with one-time alarm/daily alarm switching function) and hourly time signal Full auto-calendar 12/24 hour display switching Button operation tone on/off switching function LED backlight (auto light function, super illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds) Flash alert function (alarm/hourly time signal, timer time up, sound-linked light emission) Accuracy: ±15 seconds per month Battery life: Approximately 7 years Size (H×W×D) / Weight: 55×51.2×17.4mm / 72g ● The included battery is for monitoring purposes. ● Please replace the battery at your own expense when it runs out. ● Please consult a local watch store. ● New, warranty card, box, instruction manual (with Japanese copy)