G-SHOCK GA2100K-5A – 2100 Series Analog-Digital Watch

The G-SHOCK GA2100K-5A is a striking analog-digital model from the iconic 2100 Series, designed to evoke the mysterious atmosphere of music-driven nightlife. Featuring a refined octagonal case and a newly developed dial surface finish, this watch blends bold visual expression with trusted G-SHOCK durability.

Design Overview

The GA2100K-5A introduces a smooth, newly developed surface finish that enhances the clean, streamlined profile of the GA2100 design. Inspired by late-night clubs and music festivals, the watch reflects smoky lighting, laser strobes, and midnight rhythms through contrasting textures and rich color accents. Translucent materials paired with matte finishes create a layered look reminiscent of dance floor haze created by fog machines.

Key Features

• Analog-Digital display
• Shock Resistant construction
• Carbon Core Guard Structure
• 200-meter water resistance
• World Time (31 time zones, 48 cities + UTC)
• 1/100-second stopwatch
• Countdown timer (up to 24 hours)
• 5 daily alarms and hourly time signal
• Double LED light (Super Illuminator)
• Hand shift feature for unobstructed digital display

Case & Exterior

• Case / Bezel Material: Carbon / Resin
• Glass: Mineral Glass
• Band: Resin Band
• Compatible Wrist Size: 145 – 215 mm
• Weight: 51 g

Case Dimensions

• Case Size (L × W × H): 48.5 × 45.4 × 11.8 mm

Movement & Accuracy

• Movement Type: Quartz
• Accuracy: ±15 seconds per month
• Battery Life: Approx. 3 years (SR726W × 2)

Functions

• World Time: 31 time zones, daylight saving on/off
• Stopwatch: 1/100 second (up to 60 minutes), 1 second thereafter
• Timer: Countdown timer with 1-second increments
• Alarm: 5 daily alarms
• Calendar: Full auto-calendar (to year 2099)
• Light: Double LED light (White)
• Mute Feature: Button operation tone on/off
• Time Format: 12/24-hour format

Water Resistance

• Water Resistance: 200 meters

Summary

The G-SHOCK GA2100K-5A delivers a fresh and expressive take on the 2100 Series, combining nightlife-inspired aesthetics with the toughness expected from G-SHOCK. With its Carbon Core Guard structure, lightweight build, and versatile functionality, this model is ideal for those seeking a durable everyday sports watch with a bold, contemporary design identity.

For more details, visit the official CASIO website here.

Warranty

All our G-SHOCK watches include the official manufacturer’s warranty for peace of mind and long-term protection.

▶︎ Processing Time & Shipping Policy
▶︎ Refund Policy
We only carry G-SHOCK USA products.
Unfortunately, we DO NOT ship internationally.