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.

Delivery:

Free Tracked Delivery on orders over £30
Free Express Delivery on orders over £150
Collect in store - Free
Northern Ireland or Highlands & Islands available from £3.95

For full information refer to our Delivery Information page

Returns:

Please use our Returns Portal to request your return and choose your method of resolution.

For full information refer to our Return Policy