Take your timekeeping to the next level with the G-SHOCK GA-B2100-3A, engineered for those who demand power, durability, and intelligent connectivity. With Bluetooth® mobile link, Tough Solar technology, and a Carbon Core Guard structure, this watch merges resilience with smart functionality, delivering precision and convenience for modern lifestyles.

🟧 Key Specifications

• Country of Origin: China

• Warranty: 2 Years

• Net Quantity: 1 Piece

🟩 Design & Durability

• Case Size (L × W × H): 48.5 × 45.4 × 11.9 mm

• Weight: 52 g

• Material: Carbon / Resin Case & Bezel | Resin Band

• Glass Type: Mineral Glass with Neobrite coating for nighttime visibility

• Water Resistance: 200 meters

• Shock Resistance: Yes (Carbon Core Guard structure)

🟨 Power & Battery

• Power Source: Tough Solar (Solar Powered)

• Battery Run Time:

  • Approx. 7 months on a full charge (with typical use)

  • Approx. 18 months with Power Saving (in complete darkness)

• Battery Indicator: Yes

• Energy Saving Mode: Display turns off when left in darkness

🔵 Smart Features via Bluetooth®

• Mobile Link via CASIO WATCHES App:

  • Auto Time Adjustment

  • Easy Watch Setting

  • World Time (approx. 300 cities)

  • Time & Place Logging

  • Reminder Notifications

  • Phone Finder

🟪 Core Watch Functions

🌐 World Time

• 38 time zones (38 cities + UTC)

• Auto DST, Daylight Saving ON/OFF, Home/World time switching

⏱ Stopwatch

• 1/100-second accuracy (up to 60 min), 1-second accuracy (up to 24 hrs)

• Elapsed time, lap time, split time modes

⏳ Countdown Timer

• Range: 1 sec to 60 min (1-sec & 1-min increments)

🔔 Alarms & Signals

• 5 Daily Alarms

• Hourly Time Signal

🔦 Illumination

• Double LED Super Illuminator

  • LED for analog face + LED for digital display

  • Selectable duration: 1.5 or 3 seconds

  • Light Color: White

🗓 Other Features

• Calendar: Full auto-calendar (till 2099)

• Mute Option: Button sound on/off

• Hand Shift Feature: Hands move away for clear digital view

• 12/24-Hour Format: Supported

• Day Display: In 6 Languages

• Date/Month Swapping: Yes

• Accuracy: ±15 seconds/month (without Bluetooth link)

🧭 Timekeeping Formats

• Analog: 2 Hands (Hour, Minute — moves every 20 sec) + 1 Dial (Battery/Mode)

• Digital: Hour, Minute, Second, PM, Month, Date, Day