The Casio G-Shock GMW-B5000EH-1D (cataloged within the prestigious G-Shock 40th Anniversary Collection / Full Metal 5000 Series, referenced internationally as the GMW-B5000EH-1DR and in Japan as the GMW-B5000EH-1JR) is an elite, high-performance Japanese light-powered quartz full-metal collector's timepiece. Created to commemorate the landmark 40th Anniversary of G-Shock (1983–2023), this exclusive collaboration marks the continuing creative partnership between Casio and world-renowned New York City artist, designer, and graffiti pioneer Eric Haze. Since crafting G-Shock's 25th, 30th, and 35th anniversary logos, Haze has been an integral artistic visionary for the brand. For the 40th milestone, Casio chose the pinnacle Full Metal GMW-B5000 platform—a direct, all-stainless-steel lineage of the original 1983 DW-5000C—and transformed its entire exterior into an intricate, wearable urban art canvas. Across international collector circles, contemporary streetwear communities, and fine horology forums, it has earned defining community nicknames—the "Eric Haze 40th", "Laser Graffiti Metal", "Full Metal Haze", "40th Anniversary Square", "Haze Metal Square", or "Laser Dot G-Shock"—for its black ion-plated stainless steel construction, specialized laser-engraved dot-pattern graffiti graphics, custom artist caseback engraving, graffiti-illuminated LED backlight, Tough Solar power, and Bluetooth Smartphone Link connectivity. It unites a shock-absorbing fine-resin-buffered solid stainless steel case measuring 43.2mm in width (49.3mm lug-to-lug) with a brick-framed digital STN LCD, mineral crystal glass, an in-house Japanese multi-function caliber, Multi Band 6 atomic timekeeping, and an integrated solid stainless steel construction. Weighing an authoritative 167.0 grams, it is perfectly calibrated for art collectors, street-culture enthusiasts, and discerning professionals seeking an indestructible, full-metal masterpiece that balances high-horology metallurgy with authentic urban heritage.

The defining visual centerpiece of this GMW-B5000EH-1D reference is its striking Laser-Engraved Dot-Pattern Artwork. The solid stainless steel case and bracelet are first coated with a resilient, deep black ion plating (IP). Casio then utilizes precision laser-processing technology to carve intricate dot arrays of varying sizes into the black surface, exposing the bright silver stainless steel beneath. These micro-dots form a sprawling, geometric graffiti graphic designed specifically by Eric Haze, cascading seamlessly across the bezel, case flanks, and down the entire length of the bracelet links. The watch face preserves the iconic brick-pattern perimeter inherited from the 1983 DW-5000C, framed by classic gold and white technical typography and paired with a high-contrast, wide-angle STN (Super-Twisted Nematic) digital LCD. When the high-brightness white LED backlight (Super Illuminator) is activated, a custom graphic of Eric Haze’s personal graffiti signature tag appears in radiant red light beneath the digital display. Turning the watch over reveals a solid stainless steel screw-lock caseback treated with diamond-like carbon (DLC) coating, deeply engraved with Eric Haze’s official G-Shock 40th Anniversary Logo.

Beneath its artistic exterior, the watch is driven by Casio’s in-house Module 3459 Japanese Tough Solar digital quartz engine. Powered by Casio's proprietary Tough Solar light-harvesting technology, solar cells embedded around the perimeter of the display absorb natural sunlight and indoor fluorescent illumination to keep the secondary rechargeable battery charged, eliminating periodic battery replacements. On a full charge, the caliber provides approximately 10 months of autonomous operation under normal daily use without light exposure, and up to 22 months in Power Saving Mode when stored in total darkness. Absolute timekeeping accuracy is maintained through a dual-synchronization system: Multi Band 6 Atomic Radio Reception, which automatically calibrates with atomic time signals up to six times daily from transmitters in Japan, North America, the UK, Germany, and China; and Bluetooth Mobile Link via the CASIO WATCHES smartphone app, which performs automatic time correction four times daily, manages approximately 300 world time cities, provides a Time & Place log, and offers a Phone Finder feature. Operating independently without atomic or mobile signals, the module maintains a precision accuracy tolerance of ±15 seconds per month.

The watch features Casio’s legendary Full Metal Shock-Resistant Structure. To protect the electronic movement inside an all-steel housing, a shock-absorbing buffer made of fine resin is sandwiched between the solid stainless steel bezel and the inner steel core. The case measures an official 43.2mm in case width (diameter), a compact 49.3mm lug-to-lug length, a profile thickness of 13.0mm, and a total weight of 167.0 grams. Dial protection is provided by a heavy-duty, scratch-resistant flat mineral crystal glass recessed safely below the raised protective lip of the steel bezel.

Built for heavy-duty active performance, the timepiece features a solid stainless steel screw-lock caseback treated with high-durability DLC coating, ensuring a certified 20-bar (200 meters / 660 ft) water resistance rating, making it completely qualified for swimming, marine recreation, and extreme outdoor environments. The comprehensive digital feature suite includes World Time across 39 time zones (39 cities + UTC), a 1/100-second precision stopwatch (measuring up to 24 hours with elapsed and split modes), a 24-hour countdown timer adjustable in 1-second increments, 5 daily alarms (with 1 snooze alarm), an hourly time signal, a full auto-calendar pre-programmed to the year 2099, customizable date/month display formats, and day-of-the-week readouts in six languages (English, Spanish, French, German, Italian, Russian). The watch is completed on an integrated solid stainless steel multi-link construction with matching black ion plating and laser-etched dot patterns, secured by a solid one-touch three-fold deployment clasp with push-button release.

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