Casio G-SHOCK Set GA-2100-1AJF & GMA-S2100-1AJF Pair Watch

Overview

This stylish G-SHOCK pair set combines the popular GA-2100-1AJF men's model and the compact GMA-S2100-1AJF women's watch. Both feature the iconic carbon core guard structure with analog-digital displays, perfect for couples who want durable, fashionable, and functional timepieces. With water resistance up to 20 ATM and a sleek minimalist design, these watches are ideal for everyday wear and adventurous lifestyles.

Specifications & Features

GA-2100-1AJF (Men's)

• Water Resistance: 20 ATM (200 meters)

• Case Size: 48.5 x 45.4 x 11.8 mm

• Weight: 51.0 g
  

GMA-S2100-1AJF (Women's)

• Water Resistance: 20 ATM (200 meters)

• Case Size: 46.2 x 42.9 x 11.2 mm

• Weight: 41.0 g

• Warranty: 1 year domestic manufacturer warranty

Common Features

• World Time: Displays time for 48 cities worldwide across 31 time zones, includes daylight saving settings and UTC display with home city swap function

• Hand Shift Function: Temporarily moves analog hands to reveal the digital display clearly

• Stopwatch: 1/100 second accuracy for less than 1 hour, 1 second accuracy for more than 1 hour; measures up to 24 hours with split time

• Countdown Timer: Up to 24 hours, adjustable in 1-second increments

• Alarms: Five daily alarms and an hourly time signal

• Calendar: Fully automatic, including leap years—no manual adjustment required

• Time Format: Switchable between 12-hour and 24-hour formats

• Illumination: Double LED light with Super Illuminator technology, featuring auto light, afterglow, and selectable afterglow durations (1.5 or 3 seconds)

Accessories

• Limited Edition Pair Box

• Casio Official Box

• Instruction Manuals for both watches