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.

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