Elevate your everyday with the cutting-edge G-SHOCK GA-B2100-1A1, a high-performance timepiece that combines Bluetooth® technology, Tough Solar power, and Carbon Core Guard structure. Built for durability, precision, and smart functionality, it offers seamless smartphone integration, world time across 300+ cities, and powerful battery life — all within the signature G-SHOCK toughness.

Perfect for adventurers, professionals, and tech-savvy users, this watch makes time management smarter and more efficient.

Basic Information

• Country of Origin: China

• Warranty: 2 Years

• Net Quantity: 1 Piece

Dimensions & Build

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

• Weight: 52 g

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

• Glass: Mineral Glass

• Neobrite Coating: For better nighttime visibility

• Water Resistance: 200 meters

• Shock Resistance: Yes (Carbon Core Guard Structure)

Power & Battery Life

• Power Source: Tough Solar (solar powered)

• Battery Run Time:

  • 7 months on full charge with typical use

  • 18 months on power save mode (total darkness)

• Energy Saving: Power saving mode (display turns off in darkness)

• Battery Level Indicator: Yes

Smart Features

• Bluetooth Connectivity:

  • Auto time adjustment

  • Easy watch settings

  • Time & place logging

  • Phone finder

  • Reminder alerts

  • Approx. 300 world time cities

• App Compatibility: CASIO WATCHES app

Watch Features

• World Time:

  • 38 time zones (city name/code display, DST on/off, auto switching, world/home swap)

• Stopwatch:

  • 1/100-sec precision (first 60 min), 1-sec precision (up to 24 hrs)

  • Modes: Elapsed time, lap time, split time

• Countdown Timer:

  • Range: 1 sec to 60 min

  • Increments: 1-sec and 1-min

• Alarms:

  • 5 Daily Alarms

  • Hourly Time Signal

• Lighting:

  • Double LED Super Illuminator (Face + Digital)

  • Adjustable duration (1.5 or 3 sec)

  • Light Color: White

• Calendar: Full auto-calendar (to year 2099)

• Hand Shift Feature: For unobstructed digital view

• Mute Function: Button tone on/off

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

• Format Options: 12/24-hour format

• Date Display Options: Swap month/date format

• Day Display: Available in 6 languages

Display

• Analog:

  • 2 hands (hour, minute — updates every 20 sec)

  • 1 dial (battery level/mode)

• Digital:

  • Hour, minute, second, PM, month, date, day