Model code
MRG-B2100R-2A
Current modelWatches & Lifestyle · Watches
Casio MRG-B2100R-2A
Casio • G-SHOCK • New at launch
Casio MRG-B2100R-2A is part of Casio's G-SHOCK range. Its recorded highlights include Model code: MRG-B2100R-2A; Case size (L× W× H): 49.5 × 44.4 × 13.6 mm.
This is an independent, read-only directory entry. UnderOneRoof does not sell this product or accept orders.
Model overview
Casio MRG-B2100R-2A at a glance
Casio MRG-B2100R-2A is part of Casio's G-SHOCK range. Key recorded details include Model code: MRG-B2100R-2A; Case size (L× W× H): 49.5 × 44.4 × 13.6 mm; Weight: 110 g; Band: Resin Band,One-touch 3-fold Clasp. 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.
The essentials
Key model details
Six useful facts from this exact recordCase size (L× W× H)
49.5 × 44.4 × 13.6 mmWeight
110 gBand
Resin Band,One-touch 3-fold ClaspWater resistance
200-meter water resistancePower supply and battery life
Tough Solar (Solar powered)Complete model information
Full specifications
41 recorded details, arranged by subject
Model & collection
Exact model identity, collection and release information.
- Model code
- MRG-B2100R-2A
- Release date
- 2025
Case & construction
Case dimensions, weight, materials and durability.
- Case size (L× W× H)
- 49.5 × 44.4 × 13.6 mm
- Weight
- 110 g
- Case and bezel material
- Titanium / Cobarion
- Construction
- Shock Resistant,Magnetic Resistant
- Glass
- Sapphire crystal with anti-reflective coating
- Compatible band size
- 145 to 215 mm
Band & fit
Band material, fastening and fit information.
- Band
- Resin Band,One-touch 3-fold Clasp
- Multi band 6,Bluetooth
- Connects to a smartphone and automatically adjusts the time
Timekeeping & functions
Accuracy, display, calendar, alarms and time functions.
- Time adjustment
- Radio-controlled Watch
- Calendar
- Full auto-calendar (to year 2099)
- Hand home position correction feature
- The auto hand home position correction
- 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 signal calibration and mobile link function)
- Time adjustment details
Time calibration signal reception Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) *5 times a day for the Chinese calibration sig… Show complete value
Time calibration signal reception Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) *5 times a day for the Chinese calibration signal Manual receive The latest signal reception results,Time Calibration Signals Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz Station name: MSF (Anthorn, England) Frequency: 60.0 kHz Station name: WWVB (Fort Collins, United States) Frequency: 60.0 kHz Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga) Station name: BPC (Shangqiu City, Henan Province, China) Frequency: 68.5 kHz
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,Time & place,Watch status display,Self check,Phone finder,Premium Production Line certificate
- 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
- Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 1 dial (mode),Date display,Day indicator
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
- Surface treatment
- Diamond Like Coating
- Other
- Neobrite
Record information
Classification, catalog and review information retained with this directory entry.
- Brand
- Casio
- Model
- Casio MRG-B2100R-2A
- 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
- MRG-B2100R-2ADR
- 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 MRG-B2100R-2A 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.









