Casio 【Genuine】 CASIO G Shock ANALOG-DIGITAL 2100 Series GBM-2100A-1A2JF Description

Structural impact-resistant structure (shock resistant)
Mobile Link function (function linkage via Bluetooth communication with compatible mobile phones)
Compatible with the "CASIO WATCHES" app. Features include app integration, automatic time correction, time and place reminders, mobile phone finder, and band compatibility.
145-215mm
Neobrite-type watch with stopwatch function (1/100 second (less than 1 hour) / 1 second (1 hour or more), 24-hour counter, with lap/split function)
Timer (Setting unit: 1 second, Maximum setting: 60 minutes, Measured in 1-second increments)
LED light for the dial (Super Illuminator, with afterglow function and afterglow duration switching (1.5 seconds/3 seconds))
Full auto calendar Power saving function Battery indicator display Operating time from full charge without solar power generation Function usage: Approximately 7 months Power saving mode: Approximately 18 months Accuracy *When not connected to a smartphone, it operates with normal quartz accuracy (average monthly difference ±15 seconds).
Other features: Hand retraction function (When the hands overlap the LCD display and make it difficult to see, the hands can be temporarily moved away from the LCD display.)
Switch between 12/24 hour time display.