• Casio G-SHOCK GA-2100SRS-7A watch with white resin octagonal case and band, full-surface rainbow iridescent mineral glass crystal, Carbon Core Guard structure, shock resistance, 200m water resistance, double LED Super Illuminator, and lightweight 51 g build.
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CASIO

G-SHOCK GA-2100SRS-7A

G-SHOCK GA-2100SRS-7A

$145.00 USD
$145.00 USD $145.00 USD
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Casio G-SHOCK 2100 Series – Model GA-2100SRS-7A

The GA-2100SRS-7A brings a striking new twist to the iconic 2100 Series with its full-surface iridescent crystal finish. Against the clean white resin case and band, the rainbow gradation of the dial creates a dazzling contrast, shifting hues as the light changes for a one-of-a-kind statement piece.

Design Overview

This model combines the sleek octagonal design of the GA-2100 lineup with the brilliance of rainbow vapor deposition, recreating the glow of the midsummer sky at dusk. Each dial shines with unique color gradation, ensuring no two watches are exactly alike.

Built with a Carbon Core Guard structure for durability, 200-meter water resistance, and shock-resistant construction, the GA-2100SRS-7A delivers both bold style and the rugged toughness G-SHOCK is known for.

Key Highlights

✔ White resin case & band with luminous iridescent crystal dial
✔ Rainbow vapor deposition for unique, one-of-a-kind color gradation
✔ Carbon Core Guard structure with shock-resistant build
✔ Lightweight at only 51 g for comfortable wear
✔ 200-meter water resistance for everyday adventure
✔ Double LED light (Super Illuminator) for superior visibility

Features & Specifications

Case & Band

  • Case Size: 48.5 × 45.4 × 11.8 mm

  • Material: Carbon/Resin case & bezel

  • Band: Resin band (white)

  • Weight: 51 g

  • Construction: Shock Resistant, Carbon Core Guard structure

Exterior

  • Glass: Mineral Glass (treated for rainbow gradation)

  • Compatible Band Size: 145–215 mm

  • Other: Neobrite

Water Resistance

  • 200-meter water resistance

Timekeeping & Functions

  • World Time: 31 time zones (48 cities + UTC), daylight saving on/off

  • Stopwatch: 1/100-second, up to 24 hours, split/elapsed/1st–2nd place times

  • Timer: Countdown timer (24 hours, 1-second increments)

  • Alarms: 5 daily alarms + hourly time signal

  • Calendar: Full auto-calendar (to 2099)

  • Format: 12/24-hour timekeeping

  • Hand Shift Feature for unobstructed digital display view

  • Accuracy: ±15 seconds per month

Lighting

  • Double LED light (Super Illuminator) with selectable illumination (1.5 or 3 seconds)

  • LED Color: White

Battery & Power

  • Battery Type: SR726W × 2

  • Battery Life: Approx. 3 years

Summary

The GA-2100SRS-7A pairs the clean sophistication of a white resin case with the dazzling brilliance of a rainbow iridescent dial. With its Carbon Core Guard durability, 200-meter water resistance, and lightweight design, this timepiece blends futuristic flair with uncompromising G-SHOCK toughness.

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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CASIO G-SHOCK COLLECTION

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Gshock, Casio, Made in Japan

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.
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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.

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