Casio G-SHOCK 2100 Series Steel Bluetooth Tough Solar Watch (GBM-2100A-2BER)

Overview

The Casio G-SHOCK GBM-2100A-2BER combines the iconic octagonal “CasiOak” design with a refined stainless-steel bezel and a striking metallic blue dial. Built with a shock-resistant structure and 200-metre water resistance, it delivers durability alongside a more premium aesthetic. Tough Solar power and Bluetooth® Smartphone Link provide reliable, low-maintenance timekeeping with automatic updates via the CASIO WATCHES app, while the analogue-digital display offers practical everyday functionality. :contentReference[oaicite:0]{index=0}

Key Features

• Shock-resistant construction with metal-clad design
• Tough Solar (solar powered) for long-term reliability
• Bluetooth® Smartphone Link (Mobile Link) with CASIO WATCHES app
• 200-metre water resistance
• World time with automatic DST switching
• 1/100-second stopwatch with lap/split timing
• Countdown timer
• Five daily alarms and hourly time signal
• Double LED light (Super Illuminator) with afterglow
• Battery level indicator and Power Saving function
• Hand shift feature for unobstructed digital display

Specifications

• Case size (L×W×H): 49.3 × 44.4 × 11.9 mm :contentReference[oaicite:1]{index=1}
• Weight: 72 g :contentReference[oaicite:2]{index=2}
• Case and bezel material: Bio-based resin / stainless steel :contentReference[oaicite:3]{index=3}
• Band: Bio-based resin band :contentReference[oaicite:4]{index=4}
• Construction: Shock resistant :contentReference[oaicite:5]{index=5}
• Water resistance: 200-metre water resistance :contentReference[oaicite:6]{index=6}
• Time adjustment: Bluetooth® automatic time correction :contentReference[oaicite:7]{index=7}
• Power supply: Tough Solar (solar powered) :contentReference[oaicite:8]{index=8}
• Glass: Mineral glass
• Compatible band size: 145–215 mm

Smartphone Link & App Features

• Bluetooth® Mobile Link with CASIO WATCHES app
• Auto time adjustment up to four times per day
• Easy watch setting
• Approximately 300 world time cities
• Time & place logging
• Reminder function
• Phone finder

Watch Features

• World time: 38 time zones (cities + UTC), auto DST switching
• Stopwatch: 1/100-second; elapsed, lap and split time
• Timer: Countdown timer; measuring unit 1 second
• Alarm/hourly time signal: 5 daily alarms; hourly time signal
• Light: Double LED light — dial and digital display (Super Illuminator), selectable duration and afterglow
• Light colour: LED: White
• Calendar: Full auto-calendar (to year 2099)
• Energy saving: Power Saving mode
• Battery display: Battery level indicator
• Accuracy: ±15 seconds per month (without mobile link)
• Other features: Hand shift; 12/24-hour format; day display selectable in multiple languages
• Regular timekeeping: Analogue and digital display combination

Authorised Casio Retailer

TacTree is an authorised Casio UK retailer. All Casio watches supplied are 100% genuine, brand new and sourced through approved UK distribution channels. Orders are supplied with official Casio packaging and manufacturer documentation for 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