Description
Description
The CASIO G-SHOCK GMD-B300-7JF represents a modern evolution of compact G-SHOCK design, combining everyday comfort with activity-focused functionality. Finished in a clean monochromatic white color scheme, the watch maintains a minimalist and versatile appearance that transitions naturally between sportswear and casual styling. Its slim mid-size profile creates a balanced fit while preserving the rugged identity expected from G-SHOCK.
Powered by Bluetooth smartphone connectivity and an integrated step tracker, the watch supports an active lifestyle through automatic activity monitoring and app-linked functionality. Step counts, progress tracking, and life-log management can be synchronized through the CASIO WATCHES app, while automatic time adjustment improves convenience and accuracy. The battery-powered design delivers approximately two years of operation with minimal maintenance requirements.
Designed for users seeking lightweight practicality and wearable comfort, the compact case dimensions enhance daily usability while maintaining durability. Bio-based resin components also support a more environmentally conscious approach without sacrificing the signature toughness of G-SHOCK.
Key Specifications
- Case: 46.4 × 43.8 × 12.0 mm, 41g, resin / bio-based resin construction
- Bezel: Resin / bio-based resin
- Band: White bio-based resin band, buckle clasp
- Water resistance: 20 ATM (200m)
- Movement: Quartz, battery powered with Bluetooth mobile link
- Battery/Power: Approx. 2 years battery life
- Accuracy: ±15 sec/month (without Bluetooth connection)
- Display: Digital, white color scheme
- Functions: Step tracker, world time, stopwatch, timer, alarms, calendar, dual time
- Special features: Shock Resistance, Bluetooth Mobile Link, Life Log transfer, Step Counter
- Illumination: LED Super Illuminator with selectable afterglow duration
- Additional: Mineral glass, power saving, low battery alert
- Origin: Japan Domestic Market (JDM)
- Warranty: 1 year
- JAN/Model Code: GMD-B300-7JF
- Release date: May 2026
Key Highlights
The GMD-B300-7JF introduces a cleaner and more lifestyle-oriented interpretation of the G-SHOCK formula. Rather than emphasizing oversized tactical styling, it focuses on a compact profile and monochromatic design suitable for broader everyday use.
Its Bluetooth synchronized functionality and integrated step tracker provide practical value beyond standard digital watches. Activity data management and automatic time correction create a connected experience while maintaining the simplicity expected from a dedicated timepiece.
On the wrist, the lightweight construction and slim proportions significantly improve comfort, especially for users seeking a smaller G-SHOCK fit. The white color scheme pairs naturally with athletic, casual, and everyday fashion environments.
Within the compact G-SHOCK lineup, the GMD-B300-7JF stands out as a modern digital model combining durability, activity support, and wearable everyday comfort.