CASIO
G-SHOCK GA2100TLS-8A
G-SHOCK GA2100TLS-8A
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Casio G-SHOCK 2100 Series – Model GA-2100TLS-8A
The GA-2100TLS-8A captures the essence of summer with a dazzling face that shifts color like a seaside horizon at dusk. Featuring a special vapor deposition process, this timepiece reflects multiple hues of light, ensuring each watch delivers a unique radiance that feels truly one-of-a-kind.
Design Overview
This model combines the sleek octagonal design of the GA-2100 Series with a translucent gray resin band and a vibrant orange-accented dial, evoking the serenity of the beach at sunset. The gradated finish changes appearance with each viewing angle, offering a dynamic, eye-catching presence on the wrist.
Constructed with G-SHOCK’s Carbon Core Guard structure for shock resistance, 200-meter water resistance, and a lightweight design, the GA-2100TLS-8A is both fashion-forward and built to withstand the elements.
Key Highlights
✔ Beach-inspired design with translucent gray resin band and orange dial accents
✔ Vapor deposition crystal for unique color-shifting effects
✔ Carbon Core Guard structure with shock-resistant build
✔ Lightweight at only 51 g for all-day comfort
✔ 200-meter water resistance for maximum versatility
✔ Double LED light (Super Illuminator) for enhanced visibility
Features & Specifications
Case & Band
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Case Size: 48.5 × 45.4 × 11.8 mm
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Material: Carbon/Resin case & bezel
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Band: Resin band (translucent gray)
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Weight: 51 g
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Construction: Shock Resistant, Carbon Core Guard structure
Exterior
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Glass: Mineral Glass
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Compatible Band Size: 145–215 mm
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Other: Neobrite
Water Resistance
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200-meter water resistance
Timekeeping & Functions
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World Time: 31 time zones (48 cities + UTC), daylight saving on/off
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Stopwatch: 1/100-second, up to 24 hours, split/elapsed/1st–2nd place times
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Timer: Countdown timer (24 hours, 1-second increments)
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Alarms: 5 daily alarms + hourly time signal
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Calendar: Full auto-calendar (to 2099)
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Format: 12/24-hour timekeeping
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Hand Shift Feature for unobstructed digital display view
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Accuracy: ±15 seconds per month
Lighting
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Double LED light (Super Illuminator) with selectable illumination (1.5 or 3 seconds)
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LED Color: White
Battery & Power
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Battery Type: SR726W × 2
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Battery Life: Approx. 3 years
Summary
The GA-2100TLS-8A blends seaside-inspired design with G-SHOCK toughness. With its translucent gray band, vibrant sunset-inspired dial, and unique vapor deposition crystal, this watch is as fashionable as it is functional — ready for summer adventures and beyond.
For more details, visit the official CASIO website here.
Warranty:
- The watch is covered by a official warranty, providing assurance and protection for your purchase.
▶︎Processing Time & Shipping Policy
▶︎Refund policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.
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Explore Your Favorite G-SHOCK Watches
Explore our current selection of G-SHOCK watches. If you don’t see your preferred model, check the G-SHOCK USA website, note the model number, and contact us via email or phone(415-567-2400) to place your order. Ask about our special deals!
Please note:
- We only carry G-SHOCK USA products.
- Unfortunately, we DO NOT ship internationally.

Trusted Since 1967
Our owner, Asuka Saito, is certified by both Gemological Institute of America (GIA) and Cultured Pearl Association of America (CPAA), and we also have a GIA-certified appraiser on staff. Asuka is also a color specialist, certified as a TC Color Therapist and Sensational Color.