Since its launch in 1983, the G-SHOCK toughness watch has continued to evolve in pursuit of unwavering strength. This metal-covered model from the 2100 series maintains the slim size characteristic of the series while incorporating smartphone link and Tough Solar power. It comes in three colors: classic black, and blue and green dials with vapor deposition coating. The band uses biomass plastic, making it an environmentally friendly product. This model can be used in a wide range of situations, from casual to business. Brand Name Casio G-Shock Model Number GBM-2100-1AJF Dial Color Black Case Material Resin (Bezel: Stainless Steel) Strap Color Black Strap Material Resin Movement Quartz (Solar-powered) Display Type Analog-Digital Water Resistance 20 atm Dimensions Case Size: Approx. 49.3 x 44.4 x 11.9 mm (Height x Width x Thickness) Wrist Circumference: Approx. 145–215 mm Weight: Approx. 72 g Strap Width: Approx. 25.9 mm Crystal Mineral Glass Strap Clasp Hole-and-pin clasp Features ・Shock-resistant construction ・Tough Solar (solar charging system) ・Mobile Link Function (Function synchronization via Bluetooth communication with compatible mobile phones) ・Hand Retraction Function (When the hands overlap the LCD display and make it difficult to read, the hands can be temporarily retracted from over the display) ・World Time: Time display for 38 cities worldwide (38 time zones, with automatic daylight saving time adjustment) + UTC (Coordinated Universal Time), with a function to switch the home time city ・Stopwatch (1/100th of a second [less than 1 hour] / 1 second [1 hour or more], 24-hour counter, with lap and split functions) ・Timer (Set in 1-second increments; maximum set time: 60 minutes; measures in 1-second increments) ・5 alarms and hourly chime ・Battery indicator display ・Power-saving function (In dark environments, the display turns off after a set period of time to conserve power) ・Fully automatic calendar ・12/24-hour format switch ・Operation tone ON/OFF switch ・Date display (month/day display switch) ・Day of the week display (switchable between 6 languages: English, Spanish, French, German, Italian, and Russian) ・Dual LED Lights: LED light for the dial (with Super Illuminator, afterglow function, and afterglow duration switch (1.5 seconds/3 seconds)), LED backlight for the LCD display (with Super Illuminator, afterglow function, and afterglow duration switch (1.5 seconds/3 seconds)) "IMPORTANT" Customs and taxes: Your country of residence may apply additional customs duties and import taxes. Please check the laws of your country before bidding. We cannot be held responsible for any expenses incurred for importing items into the purchaser's country of residence. If the winning bidder decides to cancel or withdraw, they will bear all risks, shipping costs, and return import duties.