Step into high-performance living with the G-SHOCK GBA-900-1A, the ultimate fusion of durability, smart connectivity, and activity tracking. Whether you're training, trekking, or traveling, this shock-resistant timepiece keeps you synced, aware, and in control — all while looking bold and built for adventure.

🟧 Key Specifications

• Country of Origin: Thailand

• Warranty: 2 Years

• Net Quantity: 1 Piece

🟩 Design & Build

• Case Size (L × W × H): 51.3 × 48.9 × 16.6 mm

• Weight: 61 g

• Material: Resin Case & Bezel | Resin Band

• Glass Type: Mineral Glass

• Shock Resistant: Yes

• Water Resistance: 200 meters

🟨 Power & Battery

• Battery Life: Approx. 2 years

• Battery Type: CR2025

• Energy Saving Mode: Yes

• Battery Alert: Low battery indicator

🔵 Smart Features via Bluetooth®

• App: CASIO WATCHES

• Mobile Link Functions:

  • Auto Time Adjustment

  • Easy Watch Setting

  • World Time (300 cities)

  • Activity History & Life Log

  • Distance Correction via Smartphone GPS

  • Phone Finder

• User Profile Creation: Yes

• Airplane Mode: Included

🟪 Fitness & Sensor Features

• Step Counter

• Distance & Calorie Tracker (with Basal Metabolic Rate integration)

• Daily Summary Display: Steps, Distance, Calories

🟦 Advanced Timing Functions

🌐 World Time

• Dual time (Swapping between home & world cities)

⏱ Stopwatch

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

• Modes: Lap, Split, Distance/Pace display

• Auto/Manual Lap Timing with Auto Lap Notifications

• Memory: Up to 45 Records

  • Includes month, date, lap/split times, distance, avg. pace, calories, etc.

⏳ Interval Timer

• Up to 5 time settings

• Input Range: 1 sec to 60 min

• Features: Auto-repeat, 5-sec countdown, 1–20 repetitions

🔦 Illumination

• Double LED Super Illuminator with Auto Light

  • LED for analog face

  • LED for digital display

  • Duration: 1.5 / 3 seconds

  • Color: White

🗓 Other Features

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

• Mute Option: Button tone on/off

• Hand Shift Feature: Moves hands to reveal digital display

• 12/24-Hour Format: Supported

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

⏰ Timekeeping Modes

• Analog: 2 Hands (Hour, Minute – moves every 20 seconds)

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