Casio G-Shock GST-B400 G-Steel Slim Sport Watch
G-Steel GST-B400 in multiple colourways: carbon-core shock protection, 12.9 mm slim profile, world time, LED illumination, and multi-function alarms.
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Product Details
Combining toughness and refinement in a single wrist-ready package, the G-Steel GST-B400 delivers everything G-Shock fans expect at a distinctly slim 12.9 mm profile. Carbon-core guard construction absorbs impacts without adding bulk, while the large stainless steel crown buttons make one-handed operation effortless even with gloves. The expressive triple-register dial radiates a strong, masculine energy, and the layered case design with six visible screws at the corners creates an unmistakably mechanical impression. Multiple colourway options let you tailor the look to your wardrobe. Full feature set includes shock resistance, LED illumination, multi-function alarms, world time, stopwatch, countdown timer, and 12/24 h mode. Case measures 46.6 x 49.6 mm, thickness 12.9 mm.
- Carbon-core guard, shock-resistant construction
- Slim 12.9 mm thickness
- Large stainless steel pushers for easy operation
- Functions: shock resist, LED, multi-alarm, world time, stopwatch, countdown
- Case: 46.6 x 49.6 mm
- Multiple colourways available
- Model: G-Steel GST-B400
- Case Size: 46.6 x 49.6 mm
- Thickness: 12.9 mm
- Construction: Carbon-core guard, shock resistant
- Functions: Shock resist, LED, world time, multi-alarm, stopwatch, countdown
- Display: Triple-register analogue-digital
- Colourways: Multiple options available
Customer Reviews
Frequently Asked Questions
What is the difference between this GST-B400 and the other G-Steel GST-B400 listing?
This listing specifically notes the sport rubber strap option as a key variant. Both share the same slim case, but the strap choice affects comfort and look.
Is the Bluetooth connection stable for daily time syncing?
Yes, the Bluetooth time sync is stable once paired. The watch typically auto-syncs when near your phone, keeping perfect time without manual adjustment.
Can I swap the strap on this watch?
Yes, the GST-B400 uses standard 16mm lug width at the strap end. Compatible aftermarket straps are widely available if you want to switch between rubber and other styles.
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