Introducing the Multi color accents series from G-SHOCK a toughness watch that has continued to evolve in pursuit of insatiable strength since its release in 1983. The gorgeous atmosphere of festivals and events is used as an accent color.[ Shockproof structure & 20 ATM waterproof] Adopts a shockproof structure that is resistant to shock and vibration. - Also equipped with 20 ATM water resistance allowing use in a variety of locations and situations.[ Tough Solar] Casio's unique solar charging system that stably operates various functions that are subject to heavy loads by combining a solar panel that generates electricity even with a small amount of light and a large-capacity secondary battery. [Mobile link function] Functions can be linked with compatible smartphones via Bluetooth - R communication.[ Other product specifications] Please check the description column - From the toughness watch G-SHOCK which has continued to evolve in pursuit of insatiable strength since its release in 1983 this Multi color accents series uses the gorgeous atmosphere of festivals and events as accent colors. - The base model uses the GA-B2100 which retains the octagonal form of the GA-2100 but is equipped with a smartphone link and tough solar. - In combination with the carbon core guard structure the size of the conventional model is maintained. - The base colors are black green and white which are easy to match with various fashion styles. - The model is kept in one tone and uses primary colors such as red blue yellow and green for the text on the bezel the indexes and the small hand on the 9 o'clock side creating a calm yet lively image. - This model can be used in a wide range of situations from casual scenes to outdoor festivals. ・Shockproof structure ・Tough solar (solar charging system)・20 ATM waterproof function ・Mobile link function (function linked with compatible mobile phone via Bluetooth communication) - Needle retraction function (if the hands overlap the LCD display and are difficult to see you can temporarily retract the hands from above the LCD display)・ World time: 38 cities around the world (38 time zones automatic summer time setting function) + UTC (coordinated universal time) time display home time city switching function・ Stopwatch (1/100 second (less than 1 hour) / 1 second (1 hour or more) 24 hour meter wrap/split) - Timer (set unit: 1 second maximum set: 60 minutes measured in 1 second increments) - 5 time alarms - Time signal - Battery indicator display - Power sa..