Casio presents new Full Metal G-SHOCK watch models featuring multicolour and gradation on the dial. To be released on 13th October 2023, this new range includes four references: GM-B2100BPC, GM-B2100PC, GMW-B5000BPC and GMW-B5000PC.
The GMW-B5000 has a square shape inspired the first “G-SHOCK” model where as the GM-B2100 features a simple design and octagonal bezel.

The new GMW-B5000PC and GMW-B5000BPC are based on the GMW-B5000 range while GM-B2100PC and GM-B2100BPC comes from the GM-B2100 family.

Both GMW-B5000PC and GMW-B5000BPC models spotlight an attractive blue and green gradation theme. The glass surface around the face is vapor-deposited in a blue and green gradation color.

Both GM-B2100PC and GM-B2100BPC comes with gradation on the index and hands. The dial is based on black, with gradation colors on the hour letters and hands.

GM-B2100PC has purple and blue, and GM-B2100BPC has a warm orange and red gradation that blends well with the black parts.
Technical details
Series: Casio Full Metal G-SHOCK with Multicolour and Gradation
Models GMW-B5000PC and GMW-B5000BPC
Case
GMW-B5000PC: Stainless steel
GMW-B5000BPC: Stainless steel with black IP coating
Dimensions: 49.3 × 43.2 × 13.0 mm
Inorganic glass
Screw case-back
Impact resistant construction
Waterproof: 20 ATM water resistant
Received radio waves
JJY (Japan): 40 kHz (Fukushima station) / 60 kHz (Kyushu station), WWVB (USA): 60 kHz, MSF (UK): 60 kHz DCF77 (Germany): 77.5kHz, BPC (China): 68.5kHz
Communication
Bluetooth® low energy
Communication distance: ~2m (varies depending on environment)
World time
5 world times, 39 cities around the world (39 time zones, automatic summer time setting function) + UTC (coordinated universal time) time display, home time city switching function included
Stopwatch
1/100 seconds (less than 1 hour) / 1 second (more than 1 hour), 24 hour meter, with split
Timer
Set unit: 1 second, maximum set 24 hours, measured in 1 second units
Alarm
5 time alarms (only 1 with snooze function), time signal
Mobile link function
Functional linkage with compatible mobile phones via Bluetooth® communication
Automatic time correction, easy clock setting, world time approximately 300 cities + original points, time & place, reminder, mobile phone search
Other features
Battery charging warning function
Power saving function
Fully automatic calendar
12/24 hour display switching
Operation sound ON/OFF switching
Date display (month/day display switching)
Day of the week display (English, Spanish, French, German, Italian)
Switching between 6 languages (Dew)
LED backlight (full auto light, super illuminator, fade in/fade out, afterglow function, afterglow time switching: 2 seconds/4 seconds)
Power supply used
Tough solar (solar charging system)
Continuous drive time
When using the function without solar power generation from full charge: Approximately 10 months
When in power saving state: Approximately 22 months
Bracelet
GMW-B5000PC: Stainless steel
GMW-B5000BPC: Stainless steel with black IP Coating
One-push three-fold buckle
Suggested retail price
GMW-B5000PC: 80,300 yen (tax included)
GMW-B5000BPC: 89,100 yen (tax included)
Models GM-B2100PC and GM-B2100BPC
Case
GM-B2100PC: Stainless steel
GM-B2100BPC: Stainless steel with black IP Coating
Dimensions: 49.8 x 44.4 x 12.8mm
Inorganic glass
Screw case-back
Impact resistant construction
Waterproof: 20 ATM water resistant
Communication
Bluetooth® low energy
Communication distance: ~2m (varies depending on environment)
World time
Time display in 38 cities around the world (38 time zones, automatic daylight saving time setting) + UTC (Coordinated Universal Time), home time change function
Stopwatch
1/100 second measurement (less than 1 hour) / 1 second measurement (more than 1 hour), 24 hour meter, with lap/split switching
Timer
Set unit: 1 second, maximum set: 60 minutes, measured in 1 second increments
Alarm
5 time alarms, time signal
Mobile link function
Functional linkage with compatible mobile phones via Bluetooth® communication
Automatic time correction, easy clock setting, world time around 300 cities, time & place, reminder, mobile phone search
Other features
Hand retraction function, battery indicator display, power saving function, fully automatic calendar, 12/24 hour display switching, operation sound ON/OFF switching, date display (month/day display switching), day of the week display (English, Spanish, French, 6 languages (German, Italian, Russian), double LED light (super illuminator, afterglow function, afterglow time switching: 1.5 seconds/3 seconds)
Power supply used
Tough solar (solar charging system)
Continuous drive time
When using functions without solar power generation from full charge: Approximately 7 months
When in power saving state: Approximately 18 months
Bracelet
GM-B2100PC: Stainless steel
GM-B2100BPC: Stainless steel with black IP Coating
One-push three-fold buckle
Suggested retail price
GM-B2100PC: 80,300 yen (tax included)
GM-B2100BPC: 89,100 yen (tax included)