Casio G-Shock GBA-900SM-1A3ER | Lifelog Function, Lap/Split Timing
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Unworn & original packaging · 1-yr Casio warranty
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G-Shock GBA-900SM: Rugged Durability Meets Smart Fitness
Designed for the active individual, the Casio G-Shock GBA-900SM-1A3ER combines legendary G-Shock resilience with advanced fitness tracking. Monitor your daily activity with lifelog calculations for steps, calories, and distance, while precise lap/split timing helps you optimize your workouts. It's the perfect partner for pushing your limits.
Specifications
| Case/Bezel Material | Resin |
| Lifelog Data Display | Step count, calorie, distance, basal metabolic rate |
| Stopwatch Measurement Range | 1:00'00" – 23:59'59" (after 60 minutes) |
| Measuring Modes | Lap/split timing, distance/pace display, auto/manual lap timing, auto lap notification |
| Memory Capacity | Up to 45 records (detailed measurement data) |
| Measuring Unit | 1 second |
| Countdown Timer Input Range | 00'00" – 60'00" (1-second increments) |
| Timer Functions | Auto-repeat, 5-second countdown auto start, repeat (1 to 20 times) |
| Timekeeping Features | Hour, minute, second, am/pm, month, date, day |
| Accuracy | ±15 seconds per month (without mobile link) |
| Battery Life | Approx. 2 years (CR2025) |
| Case Size | 51.3×48.9×16.6mm |
| Total Weight | 61g |
Key Features
- **Lifelog Function:** Calculates calories and distance based on step count, including basal metabolic rate, with daily display of step count, calorie, and distance.
- **Advanced Measuring Modes:** Features lap/split timing, distance/pace display, and both auto/manual lap timing with auto lap notification.
- **Extensive Memory:** Stores up to 45 records, including detailed measurement start data, lap/split times, total time, distance, average pace, and calories burned.
- **Durable G-Shock Construction:** Built with a robust resin case and bezel, ensuring legendary G-Shock resilience.
- **Long Battery Life:** Approximately 2 years of operation on a single CR2025 battery.
- **Precise Timekeeping:** Offers regular timekeeping with hour, minute, second, am/pm, month, date, and day display, with an accuracy of ±15 seconds per month.
