---------------------------------------------------------------------- [Precautions for Use of Electrical Appliances] 】 When using electrical appliances, please note that the voltage is different from that of Japan, which can cause malfunction. The plug type is Japanese type (A or B type), so please check the voltage and use a transformer. The transformer is different from the conversion adapter. A transformer is not required for USB power supply. ---------------------------------------------------------------------- ・Shockproof structure ・Carbon core guard structure ・20 ATM water resistant ・Tough solar ・Mobile link function ・CASIO WATCHES compatible, neobright, world time, stopwatch, timer, 5 time alarms, time signal, double LED light, fully automatic calendar, operation sound ON/OFF switching function, power saving function, indicator table - Hand retraction function (if the hands overlap the LCD display and are difficult to see, the hands can be temporarily retracted from above the LCD display) - 12/24 hour display switching - Date display (month/day display) Day of the week display (switchable between 6 languages: English, Spanish, French, German, Italian, and Russian) Case (length x width x thickness): Approx. 48.5 x 45.4 x 11.9mm Belt arm circumference: Approximately 14.5-21.5cm Accessories: Instruction manual (English) G-SHOCK original box Casio G-Shock Analog Digital 2100 Series Bluetooth Solar Men's Watch GA-B2100C-9ADR CASIO G-SHOCK ANALOG-DIGITAL 2100 SERIES Black Yellow Black ◆The octagonal form of the GA-2100, which inherited the design concept of the first G-SHOCK, remains the same. , equipped with smartphone link and tough solar. In order to cope with the increase in the number of parts due to higher functionality, we have developed a thin module with optimized board layout. By combining it with the carbon core guard structure, it maintains the size of the previous model. The color of the case and band is a reprint of the first color yellow that was first used in the 5600 series. It can be matched with outdoor scenes and casual styles. Also recommended as a gift. Domestic model number: GA-B2100C-9AJF