GA-B2100MF-1ADR

📏 Dimensions & Materials

• Size: 48.5 × 45.4 × 11.9 mm

• Weight: 52 g

• Materials:

  • Carbon / Bio-based resin case and bezel

  • Bio-based resin band

• Construction: Shock resistant

  • Carbon Core Guard structure

💧 Water Resistance

• Up to 200 meters

🔋 Power & Battery

• Tough Solar (Solar powered)

• Approx. battery life:

  • 7 months on rechargeable battery (with normal use without exposure to light after charging)

  • 18 months when stored in total darkness with power saving function activated after full charge

🌍 Key Features

World Time

• 38 time zones (38 cities + UTC)

• Displays city code and city name

• Daylight saving on/off

• Home city/World time city swapping

Stopwatch

• Accuracy: 1/100 second

• Measuring capacity:

  • 00'00''00 ~ 59'59''99 (for the first 60 minutes)

  • 1:00'00 ~ 23:59'59 (after 60 minutes)

• Modes: Elapsed time, lap/split time

Countdown Timer

• Measuring unit: 1 second

• Range: 1 second to 60 minutes

• Adjustable in 1-second and 1-minute increments

Alarms

• 5 daily alarms

• Hourly time signal

Light

• Double LED light

• Face light (Super Illuminator)

• LED backlight for digital display (Super Illuminator)

• Selectable illumination duration (1.5 seconds or 3 seconds)

• Light color: White

🌐 Smartphone Connectivity

• Smartphone Link via Bluetooth

• CASIO WATCHES App

  • Auto time adjustment

  • Easy watch setting

  • About 300 world time cities

  • Time & place reminder

  • Phone finder

🧮 Additional Features

• Full auto-calendar (to year 2099)

• Mute feature for button operation tone

• Power Saving: Display goes blank when in the dark to save energy

• Battery level indicator

• Accuracy: ±15 seconds per month

• 12/24-hour format

• Time display: Hour, minute, second, PM, date, month, day

• Hand shift feature: Hands move out of the way to provide an unobstructed view of the digital display