2021 G-Steel lineup.
Housing combined steel / carbon.
By reducing the size of the parts and the thickness of the module, Bluetooth® and solar power functionality is maintained, while the thickness is reduced, the distance from the back to the top of the bezel is 12.9mm, more than 1mm thinner than the GST- B100
CASIO GST-B400BD-1A2JF
Quartz movement 5657, Solar.
Case / front panel material: steel, carbon
Steel strap
neobright
Impact resistant design (impact resistant)
mineral glass
20 atm water resistance
Mobile communication function (function of connecting with compatible mobile phones via Bluetooth® communication)
The function of retracting the arrows to the side for reading information
World time: 38 cities around the world (38 time zones, with automatic daylight saving time function) + UTC (Coordinated Universal Time) display, city home time replacement function
Stopwatch (1/100 second (less than 1 hour) / 1 second (1 hour or more), 24-hour counter, lap/split)
Timer (set unit: 1 second, maximum setting: 60 minutes, measured in 1 second increments)
5 Multi-alarms (DAILY, 1 TIME, SCHEDULE), time signal
Battery indicator
Fully automatic calendar
12/24 hour display switching
Energy saving function (in a dark place, after a certain period of time, the display turns off and the hand movement stops to save energy)
On / off sound function during operation
Dual LED light: LED light for the dial (fully automatic light, super light, afterglow function, afterglow time switch (1.5 seconds / 3 seconds)
Dimensions: 46.6 x 49.6 x 12.9mm
Weight: 160 g
Made for the Japanese market