● We are very sorry, but this product is not available for delivery to Hokkaido, Okinawa, and remote islands. Case size (length x width x thickness): 42.5 × 46 × 13.8 mm Weight: 51 g Case/Bezel material: Carbon / Resin Band: Resin band Structure: Shock-resistant structure (Shock Resist), Carbon Core Guard structure Water resistance: 20-bar water resistance Power supply and battery life: Battery life: approx. 2 years Mobile link function: Mobile link function (Function linking with compatible mobile phones via Bluetooth communication) App: Compatible with "CASIO WATCHES" app App cooperation function: Automatic time correction, Easy watch setting, World time for approximately 300 cities, App information, Time & Place, Phone search Glass: Mineral glass Band attachment possible size: 145～215mm Other: Neobrite, World time World time: 38 cities worldwide (38 time zones, with automatic summer time setting) + UTC (Coordinated Universal Time) time display, Home time city change function Stopwatch: Stopwatch (1/100 second (less than 1 hour) / 1 second (1 hour or more), 24-hour counter, with split) Timer: Timer (set unit: 1 second, maximum set: 24 hours, measured in 1-second increments) Alarm/Hourly time signal: 5 alarms, Hourly time signal Light: Double LED light: LED light for the dial (Super Illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds)), LED backlight for the LCD part (Super Illuminator, afterglow function, afterglow time switching (1.5 seconds/3 seconds)) Light color: LED: White Calendar: Full auto-calendar Operation sound ON/OFF switching function: Operation sound ON/OFF switching function Accuracy: *When not linked with a smartphone, it operates with normal quartz accuracy (average monthly difference ±15 seconds). Other functions: 12/24-hour system display switching, Date display (month/day display switching), Day of the week display (6 languages: English, Spanish, French, German, Italian, Russian) Hand retraction function (When the hands overlap the LCD display and are difficult to see, the hands can be temporarily retracted from above the LCD display) ● The built-in battery is for monitoring purposes. ● Please replace the battery at your own expense when it runs out. ● Please consult a local watch shop. ● New, warranty card, box, instruction manual (with Japanese copy)