G-SHOCK WOMEN – Model GMAS2100PR-4A (Pink Ribbon 2026)

Overview

The GMAS2100PR-4A carries forward the pink colorway of past Pink Ribbon models, with exclusive packaging designed for the 2026 initiative. It is the fourth G-SHOCK created in support of pink ribbon campaigns.

Based on the GMA-S2100 line, it wears a soft pastel pink color scheme with a pink ribbon-shaped indicator on the inset dial at 9 o’clock.

The compact octagonal case uses a Carbon Core Guard structure with a bio-based resin band, keeping the watch to 41 g while holding 200-meter water resistance.

Key Highlights

✔ Pink Ribbon 2026 model with special packaging
✔ Soft pastel pink color scheme
✔ Pink ribbon-shaped indicator on the 9 o’clock inset dial
✔ Carbon Core Guard structure
✔ Bio-based resin band
✔ Compact 46.2 × 42.9 mm case, only 11.2 mm thick
✔ Lightweight at 41 g
✔ Shock resistant with 200-meter water resistance
✔ World time, 31 time zones (48 cities)
✔ 1/100-second stopwatch
✔ Countdown timer up to 24 hours
✔ 5 daily alarms + hourly time signal
✔ Double LED light
✔ Approx. 3-year battery (SR726W × 2)
✔ Neobrite luminous coating

Technical Specifications

Basic Information

• Case Size (L × W × H): 46.2 × 42.9 × 11.2 mm
• Weight: 41 g
• Case & Bezel Material: Carbon / Bio-based resin
• Band: Bio-based resin band
• Construction: Shock Resistant, Carbon Core Guard structure
• Water Resistance: 200-meter water resistance
• Battery Life: Approx. 3 years on SR726W × 2

Exterior

• Glass: Mineral Glass
• Compatible Band Size: 140–205 mm
• Other: Neobrite

Watch Features

• World Time: 31 time zones (48 cities + coordinated universal time), daylight saving on/off
• Stopwatch:
  • 1/100-second stopwatch
  • Measuring capacity: 00'00''00–59'59''99 (first 60 minutes), 1:00'00–23:59'59 (after 60 minutes)
  • Measuring modes: Elapsed time, split time, 1st–2nd place times
• Timer: Countdown timer, 1-second unit, countdown range 24 hours
• Alarm: 5 daily alarms, hourly time signal
• Light: Double LED light

Summary

The GMAS2100PR-4A is the 2026 Pink Ribbon G-SHOCK: pastel pink on a Carbon Core Guard octagonal case with a ribbon-shaped indicator at 9 o’clock, 41 g, 200-meter water resistance, and special packaging.

GMAS2100PR-4A — Pink Ribbon 2026 G-SHOCK with special packaging.

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.

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▶︎Refund policy
▶︎We only carry G-SHOCK USA products.
▶︎Unfortunately, we DO NOT ship internationally.