# "Casio G-Shock 40th Anniversary Forged Carbon GCWB5000UN-1" Review by A.I. WatchMetrics

## Watch Summary
The Casio G-Shock 40th Anniversary Forged Carbon GCWB5000UN-1 is classified as a **Sport/Active** watch with **Collector/Display** traits, powered by a **solar-powered digital module** with a **10-month battery life**. Launched in 2023 to mark G-Shock’s 40th anniversary, this 45mm timepiece features a carbon-fiber-reinforced monocoque case, forged carbon bezel, and band, weighing just 65g. Its marbled black-grey design, inspired by the Milky Way, and robust features like Multiband 6 and Bluetooth appeal to rugged adventurers and collectors seeking durability and exclusivity.

## Overall Watch Rating: 8.2/10.0

- **History & Innovation Metric (9.0/10.0)**
The G-Shock’s 1983 debut revolutionized durable watchmaking, and the triple-carbon construction (forged, multilayer, fiber-reinforced) sets a material benchmark, earning a high score in Tier 1 for innovation.

- **Rarity Metric (8.5/10.0)**
Production-Based Rarity sub-metric scores 8 for its limited-edition status, while Price-Based Rarity sub-metric scores 7 for its $2,000 price, driven by collector demand.

- **Functions Metric (8.5/10.0)**
Features like 200m water resistance, Super Illuminator LED, solar charging, and Bluetooth syncing contribute to a robust score, ensuring versatile utility for active use.

- **Material Metric (8.5/10.0)**
Material Depth sub-metric scores 8.5 for the forged carbon bezel, carbon-fiber case, titanium screws, and sapphire crystal, offering lightweight durability and premium aesthetics.

- **Dials & Design Metric (8.2/10.0)**
Craftsmanship & Originality sub-metric scores 8 for the marbled carbon pattern and iconic square LCD, distinctive yet rooted in G-Shock’s rugged design ethos.

- **Versatility Metric (8.0/10.0)**
Breadth of Use Cases sub-metric covers Sport/Active and Collector/Display, scoring 8.0 for rugged adventures and showcase appeal with a comfortable strap.

- **Movement Metric (7.8/10.0)**
Movement Technical Complexity sub-metric scores 7-8 for the solar module’s Multiband 6 and Bluetooth, with Finishing Quality sub-metric at 7 due to its functional focus, averaging 7.8.

- **Brand Metric (7.5/10.0)**
Casio’s Mid-Premium tier status, elevated by G-Shock’s durability legacy, scores 7.5, strong in its niche but below luxury brands.

- **Complications Metric (7.5/10.0)**
Complications Depth sub-metric scores 7-8 for world time, stopwatch, and alarms, versatile but capped for electronic watches without rare features.

## Watch Data
[Picture URL] - https://www.casio.com/content/dam/casio/product-info/locales/us/en/watch/GCW/GCWB5000UN/GCWB5000UN-1/frontal.png; [backPicture] - https://www.casio.com/content/dam/casio/product-info/locales/us/en/watch/GCW/GCWB5000UN/GCWB5000UN-1/back.png; [lumePicture] - https://www.fratellowatches.com/wp-content/uploads/2023/12/G-Shock-GCW-B5000UN-1-8.jpg; [Nickname] - Casio G-Shock 40th Anniversary Forged Carbon; [Brand] - Casio; [Model] - GCWB5000UN-1; [Country] - Japan; [Product Link] - https://www.casio.com/us/watches/gshock/product.GCW-B5000UN-1; [reviewLink] - https://www.fratellowatches.com/hands-on-with-the-carbon-g-shock-gcw-b5000un-1-and-gcw-b5000un-6; [Movement Type] - Quartz; [Movement Name] - Solar Digital Module; [# Secondary] - 2000; [watchDescription] - The G-SHOCK 40th anniversary model with a full-carbon design, featuring a carbon fiber-reinforced case, forged carbon bezel, and carbon band, inspired by the Milky Way.; [caseWidth] - 45.0; [lugToLugLength] - 49.1; [thickness] - 14.5; [lug] - 0; [waterResist] - 200; [powerReserve] - 10; [beatFrequency] - 0; [lume] - Super Illuminator LED backlight; [jewels] - 0; [caseMaterial] - Carbon Fiber-Reinforced Resin; [watchGlass] - Sapphire; [Bezel] - Forged Carbon; [caseback] - Carbon with 40th Anniversary logo; [Crown] - Pushers; [Strap] - Forged Carbon; [Shape] - Square; [Dial] - Digital Black LCD; [Seconds] - 1; [Date] - 1; [Calendar] - 1; [Chiming] - 0; [Chronograph] - 1; [Compass] - 0; [dateCompilation] - 1; [DigitalDisplay] - 1; [Dress] - 0; [Field] - 0; [GMT] - 0; [Mechanical Alarm] - 1; [Moonphase] - 0; [Tourbillon] - 0; [worldTimer] - 1; [powerReserveIndicator] - 1; [Diver] - 0; [Pilot] - 0; [racing] - 0; [Skeleton] - 0; [Vintage] - 0; [StyleFormal] - 0; [StyleCasual] - 1; [StyleSports] - 1; [StyleTravel] - 1; [StyleAdventure] - 1; [StyleCollector] - 1; [StyleTool] - 1; [StyleStatement] - 1; [StyleVintage] - 0; [StyleSmart] - 1; [StyleCustom] - 0;

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### Footnote
A.I. WatchMetrics Review v16.23 Grok 3