*GBA-950-2A — Updated June 2025 color!
★★★★
| Size | ★★★★★ |
| Weight | ★★★★★ |
| Functions | ★★★★★ |
| Materials | ★★★★★ |
| Battery | ★★ |
| Price | ★★★ |
Key Takeaways. A mid‑size hybrid sports G‑Shock, the GBA‑950 builds on the GBA‑900 with a sleeker, lighter carbon‑reinforced body, origami‑engineered band, and practical fitness tools — step tracker, interval timers, and GPS‑augmented distance tracking — all backed by G‑Shock toughness and a 2‑year battery. However, its fitness data depends on smartphones, it lacks HR tracking or solar charging, delivers only minimal notifications, and sits at a higher price point.
| CASIO Price *official | $220 |
| Amazon Price *affiliate | from $150 |
GBA-950 Model Range *may be updated
PROs
Carbon‑fiber reinforced carbon design — “carbon fiber‑reinforced case … smaller size and weight (48.5 × 43.9 × 16 mm, 53 g).
Integrated bezel & band design — “integrated bezel and band, front light button” provides a sleek, comfortable fit.
Origami‑engineered band comfort — “band delivering next‑level comfort: Designed with ‘origami engineering’ technologies”
casio.com
Step‑tracker + app sync — Includes step counting, training log, interval timers via Casio app.
Smartphone GPS support — Tracks distance through phone GPS & calibrates pace for offline accuracy.
Auto‑Lap & interval timers — “Auto Lap feature” + five interval timers with up to 20 repeats.
Dual time+world time — Analog-digital watch with dual world-time zones.
LED backlight & luminous hands — Easy readability in low light thanks to front light button and luminous markers.
Tough & waterproof — Standard G-Shock shock resistance and 200 m water resistance.
Long battery life — Runs on a CR2025 coin battery for about two years.
CONs
Not a full smartwatch — doesn’t have features that a smartwatch usually does.
Complicated UI — it is quite puzzling to understand how to deal with CASIO APP.
No heart‑rate monitor — Only step‑based calorie estimation; no HR tracking.
App‑reliant GPS accuracy — Distance accuracy depends on phone GPS calibration.
Simple notifications only — Only beeps + icon alerts; cannot view text or caller info.
Battery needs eventual replacement — Needs CR2025 battery changed every ~2 years.
No solar charging — Lacks Tough Solar; reliant solely on disposable battery.
Mid‑range pricing — Priced ¥25,300 ($176), notably higher than GBA‑900 (~¥18,700 ~$131).
Not very good for professional runners.
*PROs & CONs have been approved and selected by casiofanmag editors, devoted CASIO enthusiasts, who write news and test CASIO watches daily. If you want to add your points, please comment this page and we will review your experience.
General Information
| Price | from $150 *average Amazon Price, we may earn commission from purchases |
| Year of first Release | 2025 |
| Suitable for Wrist Size | 145 – 215 mm |
| Module Number | 5737 / Manual |
| Model Range | G-SQUAD (A new sports line that supports your active life by managing your daily exercise using your watch and smartphone. All watches are equipped with health and fitness support functions, include a 3-axis accelerometer that keeps track of step count, a Multi-Timer that lets you create up to 20 timer combinations of five timers each, memory for up to 200 lap records, and with the help of the phone app, a calorie-use counter. Ideal for interval training for running, gym activities and other sports.) |
| Battery Type | CR2025 (G-Shock Batteries) |
Japanese Unique Features in GBA-950
Integrated bezel and band: Streamlined design with a highly comfortable fit
The bezel and band are seamlessly molded into a single exterior piece, providing robust protection for the carbon fiber-reinforced resin case. The band construction, designed for maximum flex, delivers an even more comfortable fit on the wrist. Additionally, the adhesive glass attachment allows for a more compact lug design, enhancing the sharp silhouette from the bezel to the band.
Band delivering next-level comfort: Designed with “origami engineering” technologies
The new band design was developed in collaboration with OUTSENSE inc., a leader in the field of “origami engineering.” The band applies insights derived from the art of paper-folding to deliver an exceptionally comfortable fit. The base sections of the band feature precisely analyzed mountain and valley fold angles. When the band is tightened around the wrist, these folds cause the sides to pull outward to the left and right, ensuring a snug fit of case against wrist on the underside of the band’s wave-shaped base.
Combination dial set off with phosphorescent indexes
Displaying the time and various measurements, the analog-digital combination dial features phosphorescent indexes. The use of resin imbued with phosphorescent material, with phosphorescent printing further applied to the top surfaces, gives all the dimensional indexes a vivid glow in the dark. Phosphorescent accents are applied to the hour and minute hands as well to provide enhanced readability in the dark for activities such as running at night.
Running measurements to support training activities
The watch provides measurements of time, distance, average pace, and calories burned. An indicator at the 3 o’clock position displays exercise intensity in five stages. The included Auto Lap feature automatically keeps track of times over a set distance.
Step tracker: Helpful in making a habit of daily exercise
Counts steps automatically when you start to walk. The LCD displays total daily steps, and the indicator at the 12 o’clock position shows progress toward goals. Workout data can be sent to a paired smartphone, where the app helps manage daily exercise logs.
Smartphone Link for full functionality at your fingertips
Uses Bluetooth® to provide smartphone pairing. The app makes it easy to configure various watch functions, review activity history, manage life log data, and more.
Attention to materials: Bio-based resin
Key resin components used in the bezel and band are made with bio-based resin, a material expected to help reduce environmental impact.
G-SHOCK GBA-950 on the wrist!
GBA-950 & Size Rating *in comparison with similar watches
| Size | Dimensions | Average | Rating | ||
| GBA-950 | 48,5 | 43,9 | 16,0 | 36,13 | 5 |
| GBD-800 | 54,10 | 48,60 | 15,5 | 39,40 | 3 |
| GMD-B800 | 50,70 | 45,2 | 15,5 | 37,13 | 5 |
| GBA-900 | 51,30 | 48,9 | 16,6 | 38,93 | 4 |
| GBA-800 | 54,10 | 48,60 | 15,5 | 39,40 | 3 |