{"product_id":"casio-edifice-chronograph-efr-556dc-1avudf-mens-watch","title":"Casio Edifice Chronograph EFR-556DC-1AVUDF Men's Watch","description":"\u003cp data-path-to-node=\"6\"\u003eThe Casio Edifice EFR-556DC-1AVUDF (also cataloged across international and Indian releases as the EFR-556DC-1AV or EFR-556DC within the renowned Edifice Motorsport Chronograph Collection) is an authoritative, high-performance Japanese quartz sports-chronograph timepiece. Inspired by the speed, dynamic geometry, and high-performance engineering of professional motorsport racing, this reference represents the quintessential fusion of \"Speed and Intelligence.\" Across horological communities, automotive enthusiast forums, and everyday carry circles, it has earned defining community nicknames—the \"Black Ion\", \"Rose Gold Chrono\", \"Dark Knight\", \"Speed Tech\", \"Black And Rose Gold Chronograph\", or \"Octane Chrono\"—for its multi-layered 3D black dial, luxurious rose-gold-toned register rings and hands, full stealth black ion-plated (IP) stainless steel case and metal construction, and commanding 48.7mm presence. It unites a sculpted 316L solid stainless steel case finished in scratch-resistant black ion plating with a deeply recessed multi-tier black dial face, contrasting rose gold applied baton markers, an in-house Japanese high-precision quartz chronograph engine, durable mineral crystal glass, certified 100-meter water resistance, and an integrated solid black ion-plated stainless steel construction. Perfectly calibrated for motorsport aficionados, modern professionals, and discerning gentlemen seeking a bold, masculine instrument that transitions effortlessly from corporate executive boardrooms and business travel to the racetrack pit lane, evening celebrations, and weekend adventures. The defining visual centerpiece of this EFR-556DC-1AVUDF reference is its dynamic, multi-dimensional dial architecture. Built with an intricate multi-layered structure inspired by the instrument panels of high-performance racing cars, the matte black dial face creates visual depth through stacked chapter rings and inset sub-dial registers. Warm rose-gold-toned metallic accents frame the sub-dials at 12, 9, and 6 o'clock, creating a striking contrast against the dark background. Circling the perimeter are bold, faceted applied hour batons with polished rose-gold facets and luminescent inlays. Prominent sword-style hour and minute hands are finished in matching rose gold with luminous coatings, paired with a slender central seconds hand for rapid time checks. The chronograph layout provides clear timing feedback: a 24-hour display sub-dial is positioned at 12 o'clock, a 30-minute stopwatch register sits at 9 o'clock, and the continuous stopwatch seconds register rests at 6 o'clock. Positioned cleanly at 3 o'clock is an angled date display aperture. Framing the dial is a fixed, stepped black ion-plated solid stainless steel bezel with a fine brushed top ring and mirror-polished bevels. Beneath its tailored exterior, the watch is powered by Casio’s proven in-house Module 5479 Japanese quartz chronograph movement, engineered and manufactured to deliver dependable timing under rigorous daily conditions. Built for athletic timing utility, the caliber features a dedicated 1-second stopwatch chronograph capable of measuring elapsed time, split time, and 1st-2nd place times up to 29 minutes and 59 seconds. Operating at an oscillation frequency of 32,768 Hz, the movement delivers a factory-rated precision tolerance of ±20 seconds per month. Powered by an efficient silver oxide battery cell (SR920SW), the movement provides an extended approximate battery service life of 3 years, ensuring long-term, low-maintenance daily performance. The movement incorporates an instantaneous date-correction mechanism, an independently driven 24-hour tracking hand, and classic dual-pusher chronograph operation flanking the central setting crown. The case is engineered with substantial, wrist-commanding sports proportions, measuring an official 48.7mm in case diameter (53.5mm from top lug tip to bottom lug tip) with a robust case profile thickness of 12.6mm, and a standard 22mm lug width. Weighing approximately 159.0 grams, the watch conveys a solid, reassuring heft on the wrist that speaks to its all-metal build quality. The solid stainless steel case and bezel are completely treated with an advanced black ion plating (IP) process, creating a non-reflective stealth finish that substantially enhances surface hardness and scratch resistance against abrasive contact. Dial protection is provided by a heavy-duty, impact-resistant flat mineral crystal glass. Built for active lifestyle resilience, the watch features an ergonomic knurled crown at 3 o'clock protected by case shoulders, dedicated pump-style chronograph start\/stop and reset pushers at 2 and 4 o'clock, and a solid screw-lock caseback that seals the internal movement against dirt, dust, and water ingress, securing a certified 10-bar (100 meters \/ 330 ft) water resistance rating, making it completely safe for swimming, snorkeling, water sports, and heavy rain. The timepiece comes completed on an integrated solid stainless steel multi-link construction finished in matching black ion plating, secured by a sturdy one-touch three-fold deployment clasp.\u003c\/p\u003e","brand":"MonaWatch","offers":[{"title":"Default Title","offer_id":67724308644154,"sku":"EFR-556DC-1AVUDF","price":575.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/5858\/3354\/files\/NewProject_6570a943-be5e-4f42-bed5-3eec50fce8cd.webp?v=1792338115","url":"https:\/\/www.monawatch.com\/products\/casio-edifice-chronograph-efr-556dc-1avudf-mens-watch","provider":"MonaWatch","version":"1.0","type":"link"}