CASIO G-SHOCK GA-2100LXB-1ADR LUXE BLACK STANDARD ANALOG-DIGITAL MEN WATCH
GA-2100LXB-1ADR
- In stock, ready to ship
- Backordered, shipping soon
- 1 Year Warranty
The Casio G-SHOCK GA-2100LXB-1ADR is the purest expression of the LUXE BLACK concept — a fully blacked-out 2100 with no metal bezel, just matte black resin from end to end. At just 51g with Carbon Core Guard construction, it's significantly lighter than the G-STEEL version, making it the LUXE BLACK you'll forget you're wearing until someone asks about it.
Silver vapor-deposited hour markers create a delicate metallic shimmer against the matte black dial, while the redesigned slim hands and textured surface suppress reflections for a quiet, controlled aesthetic. Underneath, it's full G-SHOCK: shock-resistant construction, 200m water resistance, world time, stopwatch, countdown timer, five alarms and dual LED illumination.
At a Glance
- Brand Casio G-SHOCK
- Series 2100 / CasiOak
- Collection LUXE BLACK
- Display Analog-Digital
- Case Size 45.4mm
- Weight 51g
- Case & Bezel Carbon / Bio-Based Resin
- Accents Silver (Vapor Deposited)
- Band Black Bio-Based Resin
- Water Resistance 200m (20 Bar)
- Construction Carbon Core Guard
- Battery Life ~3 Years
Why You'll Love It
- Ultra-light at just 51g — the lightest LUXE BLACK 2100, barely noticeable on the wrist
- Full matte black resin from bezel to band — no metal, no shine, just stealth
- Carbon Core Guard structure for enhanced shock protection with a lighter build
- Silver vapor-deposited markers creating a subtle metallic shimmer against the matte dial
- G-SHOCK tough — shock-resistant construction and 200m water resistance
- Analog-digital combo with world time, stopwatch, countdown timer and five daily alarms
Perfect For
- Everyday wear
- G-SHOCK collectors
- CasiOak fans
- Men who prefer all-black
- Those who want the lightest option
- Active lifestyles
- Travel
- Birthday gift for him
Key Features
- Carbon Core Guard structure — carbon-fibre reinforced case for enhanced shock protection at reduced weight
- Shock-resistant construction protecting the module from impacts, drops and vibrations
- 200m (20 bar) water resistance — suitable for swimming, surfing and water sports
- Dual LED Super Illuminator with selectable duration and afterglow for easy reading in the dark
- World time across 31 time zones (48 cities) with daylight saving support
- 1/100-second stopwatch with elapsed time, split time and 1st-2nd place modes
- 24-hour countdown timer with 1-second precision
- 5 daily alarms plus hourly time signal
- Full auto-calendar accurate to 2099
- Hand shift feature — hands move aside for an unobstructed view of digital content
- Bio-based resin band and case — more sustainable material choice
Technical Specifications
| Case Size (L × W × H) | 48.5 × 45.4 × 11.8mm |
| Weight | 51g |
| Case Material | Carbon / Bio-Based Resin |
| Bezel Material | Bio-Based Resin |
| Band Material | Bio-Based Resin |
| Band Size | 145 – 215mm |
| Glass | Mineral Glass |
| Construction | Shock Resistant, Carbon Core Guard |
| Water Resistance | 200m (20 Bar) |
| Type | Analog-Digital |
| Analog | 2 Hands (Hour, Minute) + 1 Dial (Day) |
| Digital | Hour, Minute, Second, PM, Month, Date |
| Illumination | Dual LED Super Illuminator (White) |
| Lume | Neobrite |
| World Time | 31 Time Zones (48 Cities), DST On/Off |
| Stopwatch | 1/100-Second (Split, Elapsed, 1st-2nd Place) |
| Countdown Timer | 24-Hour, 1-Second Precision |
| Alarms | 5 Daily Alarms + Hourly Signal |
| Calendar | Full Auto-Calendar (to 2099) |
| Other | Hand Shift, 12/24-Hour Format, Mute |
| Battery | SR726W × 2 |
| Battery Life | Approx. 3 Years |
| Accuracy | ±15 Seconds/Month |
Best Matched With
- All-black outfit
- Streetwear
- Athleisure
- T-shirt & shorts
- Black denim
- Bomber jacket
- Travel outfit
Frequently Asked Questions
What's the difference between the GA-2100LXB (this) and the GM-2100LXB (G-STEEL)?
Both are LUXE BLACK CasiOaks with the same dial design, functions and 200m water resistance. The key difference is the bezel: the GM-2100LXB has a black ion-plated stainless steel bezel (G-STEEL) and weighs 72g. The GA-2100LXB has an all-resin bezel with Carbon Core Guard and weighs just 51g. Choose the GM for the premium metal feel, or the GA for the lightest, most minimal version.
What is Carbon Core Guard?
Carbon Core Guard is G-SHOCK's carbon-fibre reinforced case structure. It uses a carbon-fibre insert within the resin case to improve shock resistance and rigidity while keeping the watch lighter than a metal-bezeled model. It's the reason the GA-2100 weighs just 51g despite its robust construction.
What is the LUXE BLACK series?
LUXE BLACK is a premium sub-collection within the G-SHOCK 2100 (CasiOak) line. It reinterprets the iconic 2100 design through a minimalist lens — matte black finishes, redesigned slim hands, vapor-deposited markers and subtle accents. It's designed for people who want G-SHOCK toughness with a more refined, understated aesthetic.
What does "CasiOak" mean?
CasiOak is the nickname given to the GA-2100 / GM-2100 series by the watch community because of its octagonal bezel shape. It's become one of the most popular G-SHOCK designs due to its slim profile and versatile styling.
Is this watch suitable for swimming?
Yes. With 200m (20 bar) water resistance and shock-resistant construction, the GA-2100LXB is suitable for swimming, surfing and recreational water sports. It's not designed for scuba diving with helium.
What is bio-based resin?
Bio-based resin is a material partially derived from renewable organic sources such as castor seeds or corn, reducing reliance on petroleum-based plastics. It performs identically to standard resin in terms of durability and comfort, with a smaller environmental footprint.
How long does the battery last?
Approximately 3 years with normal use (SR726W × 2).
Is this a good gift?
Absolutely. At 51g it's the most wearable G-SHOCK in the LUXE BLACK range — perfect for men who appreciate minimalist design, lightweight comfort and everyday toughness. A great gift for birthdays, Father's Day, graduations and milestones.
Why Buy from City Chain
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- 1-Year Warranty Official Casio warranty
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