CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH
CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH

CASIO G-SHOCK X CHARLES DARWIN FOUNDATION GA-B2100DF-4ADR ANALOG-DIGITAL MEN WATCH

GA-B2100DF-4ADR

  • Enter Code at cart page: EXTRA20 ($20 off min $300) | EXTRA45 ($45 off min $600)
Regular price$259.00
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  • 1 Year Warranty
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Unite adventure, innovation, and purpose with the G-SHOCK GA-B2100DF-4ADR — a special edition collaboration with the Charles Darwin Foundation. Inspired by the vibrant Sally Lightfoot Crab of the Galápagos Islands, this bold red-orange timepiece is more than a watch — it's a statement of support for conservation.

Crafted with bio-based resin materials and part of the Carbon Core Guard structure, it’s lightweight, shock-resistant, and water-resistant up to 200 meters. The analog-digital hybrid dial features the Galápagos silhouette and a playful crab motif, with Bluetooth smartphone connectivity, solar charging (Tough Solar), world time in 38 zones, and reminder functions through the CASIO WATCHES app.

A Charles Darwin Foundation logo is engraved on the caseback, while the strap displays the message “Apoyo la conservación de Galápagos.” Complete with plastic-free special packaging, this limited edition piece is ideal for the eco-conscious adventurer who values both durability and environmental impact.

Case size (L× W× H): 48.5 × 45.4 × 11.9 mm
Weight: 52 g
Case and bezel material: Carbon / Bio-based resin
Bio-based resin band
Mineral Glass
Shock Resistant
Carbon Core Guard structure
200-meter water resistance
Time adjustment
Bluetooth: Connects to a smartphone and automatically adjusts the time
Power supply and battery life: Tough Solar (Solar powered)

Smartphone Link feature
Mobile link (Wireless linking using Bluetooth®)
Apps: CASIO WATCHES
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Time & place
Reminder
Phone finder

World time
38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping

Stopwatch
1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, lap/split time

Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
Alarm/hourly time signal
5 daily alarms
Hourly time signal

Light
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Light color:White
Full auto-calendar (to year 2099)
Button operation tone on/off

Energy saving feature
Power Saving (display goes blank to save power when the watch is left in the dark)
Battery display/alert
Battery level indicator
Run time
Approx. battery operating time:
7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Accuracy: ±15 seconds per month (with no mobile link function)

Other features
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
12/24-hour format
Date/month display swapping
Day display (days of the week selectable in six languages)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode)
Digital: Hour, minute, second, pm, month, date, day

For online purchase, you can have bracelet or leather strap adjustments done at any City Chain store. Please bring along your warranty book for the service.


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