Casio G-SHOCK 2100 Series G-Metal Dual Display Watch (GM-2100BB-1AER)

Overview

The Casio G-SHOCK GM-2100BB-1A is a rugged analogue-digital timepiece featuring a metal-clad octagonal bezel in an all-black finish. Designed for durability, it combines shock resistance and magnetic resistance with 200-metre water resistance for everyday wear in a variety of conditions. The watch includes world time, a 1/100-second stopwatch, countdown timer and daily alarms, and uses a double LED Super Illuminator to illuminate both hands and digital displays.

Key Features

• Shock resistant construction
• Magnetic resistant
• 200-metre water resistance
• World time (31 time zones, 48 cities + UTC; daylight saving on/off)
• 1/100-second stopwatch with elapsed time, split time and 1st–2nd place time
• Countdown timer (24-hour range)
• Five daily alarms and hourly time signal
• Double LED Super Illuminator for analogue and digital readability
• Full auto-calendar (to year 2099)
• 12/24-hour time formats
• Button-tone on/off and hand-shift feature

Specifications

• Case size (L×W×H): 49.3 × 44.4 × 11.8 mm
• Weight: approx. 72 g
• Colour: Black
• Casio Part Number: GM-2100BB-1AER
• Case and bezel material: Resin with stainless-steel bezel (black ion plated)
• Band: Resin band; adjustable to fit approximately 145–215 mm wrist
• Glass: Mineral glass
• Power source: 2 × SR726W batteries; approx. 3-year life
• Accuracy: ±15 seconds per month

Watch Functions (Detailed)

• World Time: 31 time zones, 48 cities + UTC; daylight saving on/off
• Stopwatch: 1/100-second; capacity 00'00"00–59'59"99 (first 60 minutes), 1:00'00–23:59'59 thereafter; modes: elapsed, split, 1st–2nd place
• Countdown Timer: Measuring unit: 1 second; range: 24 hours
• Alarms: 5 daily alarms (including snooze); hourly time signal
• Illumination: Double LED Super Illuminator with selectable illumination duration and afterglow
• Calendar: Full auto-calendar (up to year 2099)

Authorised Casio Retailer

TacTree is an authorised Casio UK retailer. All Casio watches sold are 100% genuine, brand new and supplied directly to us from Casio UK. Each watch is delivered with official Casio packaging, instruction manual and manufacturer warranty, ensuring complete authenticity and peace of mind.