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Estimated delivery in 4-10 days
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Product Description
The GST‑B100D‑1A9 is part of Casio’s premium G‑STEEL series—a tough solar‑powered analog chronograph featuring a steel bracelet and subtle blue accents. Its refined yet rugged design makes it ideal for both casual style and everyday use.
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Case & Bracelet: Heavy-duty stainless steel with polished silver finish and a solid one‑touch folding clasp for sharp styling and durability.
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Dial & Display: Fully analog face with sub‑dials; one at 9 o’clock shaped like jet‑engine blades rotates to indicate alarm status, battery level, and stopwatch progress.
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Structure: Layer Guard Structure fuses resin cushioning and stainless steel for shock protection, plus Carbon Core Guard for lighter strength.
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Water Resistance: Rated 200 meters—safe for swimming, showering, or light water activity
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Power: Tough Solar system uses sunlight or indoor light to recharge—up to ~24 months operation with power-saving function enabled
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Bluetooth Connectivity: Syncs with the Casio Watches app for automatic time adjustment, world time (approx. 300 cities), dual‑time swapping, phone finder, and alarm/timer settings.
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Additional Functions: Includes full auto-calendar (up to year 2099), LED Super Illuminator light, daily alarm, countdown timer, stopwatch, battery level indicator, and Neobrite luminous coating.



