Since its launch in 1983 the toughness watch G-SHOCK which has continued to evolve in pursuit of insatiable strength introduces the Natural color series models inspired by nature and minerals.[ Shockproof structure & 20 ATM waterproof] Adopts a shockproof structure that is resistant to shock and vibration. - Equipped with 20 ATM water resistance it can be used in various places and situations[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. [Stopwatch] (1/100 second (less than 1 hour)/1 second (more than 1 hour) 24 hour meter with split) [Other product specifications] Please check the description column - Since its release in 1983 G-SHOCK is a toughness watch that has continued to evolve in pursuit of insatiable strength. - This is the Natural color series a model inspired by nature and minerals. - The base design uses the octagon case GA-2100. Simple one-tone finish using earth colors - A cool design that accents everything from casual styles to outdoor styles. ・Shockproof structure ・20 ATM waterproof function・ 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)・ World time: 48 cities around the world (31 time zones with summer time setting function) + UTC (Coordinated Universal Time)・ Stopwatch (1/100 second (less than 1 hour) / 1 second (more than 1 hour) 24 hours total with split)・ Timer (set unit: 1 second maximum set: 24 hours measured in 1 second units)・5 time alarms/time signal・Full auto calendar・12/24 hour display switching・ Operation sound ON/OFF switching function・ Double LED light: LED light for dial (with super illuminator afterglow function afterglow time switch (1.5 sec/3 sec)) LED backlight for LCD (super illuminator afterglow function afterglow time switch (1.5 sec)) seconds/3 seconds)・Battery life approximately 3 years