Discover the MT-G timepieces, where G-SHOCK resin meets metal for a new standard in design. The MTG-B3000 features a sleek 12.1 mm profile with an advanced Dual Core Guard structure, combining carbon-reinforced resin and metal. Its stainless-steel case back is intricately shaped and functions as lugs and guards. The watch offers a one-touch band exchange system and the MTG-B3000D model includes a lightweight, composite band with a black ion-plated bezel. For functionality, it pairs with the CASIO WATCHES app via Bluetooth®, and includes Multi Band 6, Tough Solar charging, and a high-brightness LED light. - 51.9×50.9×12.1mm Case Size - 148g Weight - Resin/Stainless Steel Case and Bezel - TRIPLE G RESIST (Shock resistant, Centrifugal force resistant, Vibration resistant) - Carbon Core Guard structure - 200 Meters Water Resistance - Radio-controlled Watch; Multi band 6 - Tough Solar (Solar powered) - Mobile link (Wireless linking using Bluetooth®) - Approximately 300 World Time Cities - Sapphire crystal with anti-reflective coating - World time - Dual time: 27 time zones, Home city time swapping, auto summertime (DST) switching - Stopwatch - Timer - Daily alarm - Calendar: Full auto-calendar (to year 2099) - Energy saving feature: Power Saving (hands stop to save power when the watch is left in the dark) - Approx. battery operating time: *5 months on a rechargeable battery (normal use without light exposure after charge) *18 months on a rechargeable battery (in darkness with power save function after full charge) - Accuracy: ±15 seconds per month (with no signal calibration)