Model code
GR-B300-8A2UnderOneRoof
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Casio GR-B300-8A2
Casio • G-SHOCK • New at launch
Price availabilityOfficial price not published
Official model · Pakistan availability not verifiedProduct source linked
Casio GR-B300-8A2 is part of Casio's G-SHOCK range. Its recorded highlights include Model code: GR-B300-8A2; Case size (L× W× H): 59 × 54.7 × 15.7 mm.
This is an independent, read-only directory entry. UnderOneRoof does not sell this product or accept orders.
Model overview
Casio GR-B300-8A2 at a glance
Casio GR-B300-8A2 is part of Casio's G-SHOCK range. Key recorded details include Model code: GR-B300-8A2; Case size (L× W× H): 59 × 54.7 × 15.7 mm; Weight: 71 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)
59 × 54.7 × 15.7 mmWeight
71 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
- GR-B300-8A2
- Release date
- 2024
Case & construction
Case dimensions, weight, materials and durability.
- Case size (L× W× H)
- 59 × 54.7 × 15.7 mm
- Weight
- 71 g
- Case and bezel material
- Bio-based Carbon / Bio-based resin / Stainless steel
- Construction
- Shock Resistant,Carbon Core Guard structure
- 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
- Dual time (Home City time swapping)
- Stopwatch
- 1-second stopwatch Measuring capacity: 23:59'59. Measuring modes: Elapsed time, split time
- Timer
- Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
- Alarm/hourly time signal
- Daily alarm
- Calendar
- Full auto-calendar (to year 2099)
- Battery display/alert
- Battery level indicator
- Run time
- Approx. battery operating time: 5 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,Flight log,Phone finder
- Light
- LED light (Super Illuminator) Afterglow
- Light color
- LED:White
- Energy saving feature
- Power Saving (hands stop to save power when the watch is left in the dark)
- Other features
- Date display,Day indicator,Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, 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
- Crown
- Screw Lock Crown
- Other
- Neobrite
Record information
Classification, catalog and review information retained with this directory entry.
- Brand
- Casio
- Model
- Casio GR-B300-8A2
- 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
- GR-B300-8A2DR
- 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 GR-B300-8A2 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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