"G-SHOCK" a shock-resistant watch that builds a new concept of toughness in watches - A smaller and thinner version of the popular digital/analog combination model GA-2100.[ 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. [Other product specifications] World time / stopwatch / timer / 5 time alarms / time signal / full auto calendar / 12/24 hour display switching / operation sound ON / OFF switching function / double LED light Popular digital/analog combination model GA -2100 is a smaller and thinner model. - Metallic feeling is produced by vapor-deposited time letters. - The light blue and pink model has a slightly polarizing coating applied to the dial and border as concept colors to create a mysterious atmosphere.