[Shock-resistant structure] G-SHOCK's core technology that pursues toughness Protects the module with a structure that is strong against impact The unique concave-convex shape prevents direct impact on the glass and buttons [Water resistant to 20 ATM] Can be used in a variety of places and situations from daily water work and water activities such as swimming surfing and jet skiing. [Needle retraction function] When the needle overlaps the liquid crystal display and is difficult to see the needle can be temporarily retracted from the liquid crystal display. Since its release in 1983 G-SHOCK a toughness watch that has continued to evolve in pursuit of insatiable strength is the Virtual Rainbow: Gamer's RGB series with the motif of the virtual world of video games.The glossy black painted bezel and band adopt rainbow deposition specifications (DW-6900RGB GA-100RGB) and multi-neon colors (GA2100RGB GA-700RGB) as accent colors making it a design watch that can be widely used in the fashion scene.The base models are the DW-6900 with a third round case the GA-2100 with an octagon bezel and the GA-100 and GA700 with big cases.It has a cool design with vivid coloring on glossy black. ・Shock-resistant structure ・Water resistant to 20 bar ・Hand retraction function・ World time: 48 cities around the world (31 time zones with daylight saving time setting function) + UTC (Coordinated Universal Time) time display UTC direct call function home time city replacement function・ Stopwatch (1/100 second 24 hour counter) with split with one-push measurement start from time mode target time notification function)・ Timer (set unit: 1 minute maximum set: 60 minutes measured in 1/10 second units)・ 5 time alarms (only 1 with snooze function)・ Time signal・ Full auto calendar・ 12/24 hour system display switching・ Operation sound ON/OFF switching function 1.5 sec/3 sec))