Model code
GBM-2100A-2BUnderOneRoof
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Casio GBM-2100A-2B
Casio • G-SHOCK • New at launch
Price availabilityOfficial price not published
Official model · Pakistan availability not verifiedProduct source linked
Casio GBM-2100A-2B is part of Casio's G-SHOCK range. Its recorded highlights include Model code: GBM-2100A-2B; Case size (L× W× H): 49.3 × 44.4 × 11.9 mm.
This is an independent, read-only directory entry. UnderOneRoof does not sell this product or accept orders.
Model overview
Casio GBM-2100A-2B at a glance
Casio GBM-2100A-2B is part of Casio's G-SHOCK range. Key recorded details include Model code: GBM-2100A-2B; Case size (L× W× H): 49.3 × 44.4 × 11.9 mm; Weight: 72 g; Band: Bio-based resin band. No numeric manufacturer or Pakistan retail price is currently recorded; the price status was checked 21 Aug 2026. Specifications are attributed to Official Casio product page.
Data note: specifications describe this exact model record. Price, stock, warranty, regional configuration and regulatory status can change, so verify those details with the linked source or seller.
BrandCasio
Product classG-SHOCK
ConditionNew
Information31 product facts · Detailed record
The essentials
Key model details
Six useful facts from this exact recordCase size (L× W× H)
49.3 × 44.4 × 11.9 mmWeight
72 gBand
Bio-based resin bandWater resistance
200-meter water resistancePower supply and battery life
Tough Solar (Solar powered)Complete model information
Full specifications
42 recorded details, arranged by subject
Model & collection
Exact model identity, collection and release information.
- Model code
- GBM-2100A-2B
- Release date
- 2025
Case & construction
Case dimensions, weight, materials and durability.
- Case size (L× W× H)
- 49.3 × 44.4 × 11.9 mm
- Weight
- 72 g
- Case and bezel material
- Bio-based Resin / Stainless steel
- Construction
- Shock Resistant
- Glass
- Mineral Glass
- Compatible band size
- 145 to 215 mm
Band & fit
Band material, fastening and fit information.
- Band
- Bio-based resin band
Timekeeping & functions
Accuracy, display, calendar, alarms and time functions.
- Time adjustment
- Bluetooth: Connects to a smartphone and automatically adjusts the time
- World time
- World time 38 time zones (38 cities + coordinated universal time), auto summer time (DST) switching, home city/world time city swapping
- Stopwatch
- 1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, lap/split time
- Timer
- Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
- Alarm/hourly time signal
- 5 daily alarms,Hourly time signal
- Calendar
- Full auto-calendar (to year 2099)
- Battery display/alert
- Battery level indicator
- Run time
- Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
- Accuracy
- Accuracy: ±15 seconds per month (with no mobile link function)
Power & resistance
Battery life, charging and environmental resistance.
- Water resistance
- 200-meter water resistance
- Power supply and battery life
- Tough Solar (Solar powered)
Connectivity & features
Wireless links, sensors, apps and additional functions.
- Smartphone Link feature
- Mobile link (Wireless linking using Bluetooth®)
- Apps
- CASIO WATCHES
- App connectivity feature
- Auto time adjustment,Easy watch setting,Approximately 300 world time cities,Time & place,Reminder,Phone finder
- Light
- Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
- Light color
- LED:White
- Mute feature
- Button operation tone on/off
- Energy saving feature
- Power Saving (display goes blank to save power when the watch is left in the dark)
- Other features
- Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.),12/24-hour format,Date/month display swapping,Day display (days of the week selectable in six languages),Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode) Digital: Hour, minute, second, pm, month, date, day
More details
Additional model information recorded for this product.
- Official manufacturer price
- Not publicly listed by the manufacturer
- Price verification
- Official catalog checked on 2026-08-21
- Other
- Neobrite
Record information
Classification, catalog and review information retained with this directory entry.
- Brand
- Casio
- Model
- Casio GBM-2100A-2B
- Department
- Watches & Lifestyle
- Category
- Watches
- Subcategory
- G-SHOCK
- Product type
- watch
- Condition
- New
- Availability status
- Current official catalog model; Pakistan availability should be confirmed
- SKU
- GBM-2100A-2BDR
- Image provenance
- Exact model-series image stored locally after verification on 2026-08-09
- Record review
- Authenticity, identity, image and duplicate checks passed on 2026-08-09
Before you decide
What to verify for this g-shock
These checks are tailored to the product department and help separate permanent model specifications from details that can vary by seller or market.
- 01
Confirm the exact Casio GBM-2100A-2B variant, included accessories and local warranty terms before purchase.
- 02
Use the displayed price as a dated reference only; current price and stock can differ by retailer, city and configuration.
- 03
Confirm the exact case, dial and band code because visually similar watch variants can use different materials and finishes.
- 04
Check water resistance, battery or solar system, dimensions and local service support against your intended use.
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