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

Overview

Go sleek, sharp and bold with a G-SHOCK standard-bearer in a metal-clad octagonal take on the original iconic design. Forged in stainless steel with a rounded hairline finish, the strong bezel delivers unmistakable style, while the dial’s vapour deposition finish creates a meticulously detailed metallic look. The urethane band features finely detailed square-dot texturing to elevate the classic G-SHOCK feel with a refined finish.

Key Features

• Shock-resistant construction
• 200-metre water resistance
• Stainless-steel bezel with resin inner case
• World time: 31 time zones (48 cities + UTC), daylight saving on/off
• 1/100-second stopwatch with split time and 1st–2nd place times
• Countdown timer up to 24 hours
• 5 daily alarms and hourly time signal
• Hand shift feature for an unobstructed view of the digital display
• Double LED light (Super Illuminator) for face and digital display
• Neobrite for improved legibility

Specifications

• Case size (L×W×H): 49.3 × 44.4 × 11.8 mm
• Weight: 72 g
• Colour: Steel with Grey dial and Black strap
• Casio Part Number: GM-2100-1AER
• Case and bezel material: Resin / stainless steel
• Band: Resin band
• Construction: Shock resistant
• Water resistance: 200-metre water resistance
• Power supply and battery life: Approx. 3 years on SR726W × 2
• Glass: Mineral glass
• Other: Neobrite

Watch Features

• World time: 31 time zones (48 cities + Coordinated Universal Time), daylight saving on/off
• Stopwatch: 1/100-second; measuring capacity 00'00''00 to 59'59''99 (first 60 minutes), 1:00'00 to 23:59'59 (after 60 minutes); measuring modes: elapsed time, split time, 1st–2nd place times
• Countdown timer: Measuring unit 1 second; range 24 hours; start time setting 1 second to 24 hours (1-second, 1-minute and 1-hour increments)
• Alarm/hourly signal: 5 daily alarms; hourly time signal
• Light: Double LED light — LED for the face and LED backlight for the digital display (Super Illuminator), selectable 1.5 seconds or 3 seconds, afterglow
• Light colour: LED: White
• Calendar: Full auto-calendar (to year 2099)
• Mute feature: Button operation tone on/off
• Accuracy: ±15 seconds per month
• Other features: 12/24-hour format; hand shift feature
• Regular timekeeping: Analogue — 2 hands (hour, minute; minute hand moves every 20 seconds), 1 dial (day). Digital — hour, minute, second, pm, month, date

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.