{"product_id":"longines-hydroconquest-42mm","title":"HydroConquest 42mm","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eBuilt for Adventure, Refined for Everyday\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe Longines HydroConquest L3.788.4.56.6 represents the latest evolution of one of Longines' most accomplished dive watches. Combining robust performance with refined Swiss styling, this contemporary 42mm timepiece introduces a redesigned case, enhanced ergonomics and an upgraded automatic movement, making it an exceptional companion both beneath the waves and on dry land.\u003c\/p\u003e\n\u003cp\u003eFeaturing a striking black lacquered dial, a scratch-resistant black ceramic bezel and the latest Longines Calibre L888.5, the HydroConquest delivers professional diving capability alongside the elegance and versatility that define Longines sports watches. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eA Contemporary Dive Watch Design\u003c\/h2\u003e\n\u003cp\u003eThe HydroConquest collection has long been recognised for balancing technical performance with timeless aesthetics. The L3.788.4.56.6 continues this tradition with a clean, highly legible dial designed for optimum visibility in all conditions.\u003c\/p\u003e\n\u003cp\u003eThe polished black lacquered dial contrasts beautifully against bold applied indexes and polished hands, all filled with Swiss Super-LumiNova® for excellent low-light readability. A discreet date window at 3 o'clock preserves the dial's balanced appearance, while the unidirectional black ceramic bezel offers outstanding durability and scratch resistance. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eLongines Calibre L888.5\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the HydroConquest is the exclusive Longines Calibre L888.5, an automatic mechanical movement engineered for precision, reliability and everyday performance.\u003c\/p\u003e\n\u003cp\u003eThe movement features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic mechanical movement\u003c\/li\u003e\n\u003cli\u003eApprox. 72-hour power reserve\u003c\/li\u003e\n\u003cli\u003eMonocrystalline silicon balance spring\u003c\/li\u003e\n\u003cli\u003eFrequency of 25,200 vibrations per hour\u003c\/li\u003e\n\u003cli\u003eHours, minutes, seconds and date display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe inclusion of a silicon balance spring enhances resistance to magnetism while improving long-term precision and reliability, allowing Longines to offer an extended five-year manufacturer warranty. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eEngineered for Professional Performance\u003c\/h2\u003e\n\u003cp\u003eDesigned to meet the demands of serious divers, the HydroConquest features a 42mm stainless steel case with a screw-down crown and screw-down case back, ensuring dependable performance in challenging environments.\u003c\/p\u003e\n\u003cp\u003eWater resistant to 300 metres (30 bar), the watch is fitted with a scratch-resistant sapphire crystal featuring multi-layer anti-reflective coating on both sides for exceptional clarity. The stainless steel bracelet is secured by a double-security folding clasp with integrated micro-adjustment, allowing the fit to be adjusted quickly and comfortably throughout the day. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eSporting Capability Meets Swiss Elegance\u003c\/h2\u003e\n\u003cp\u003eWhile engineered as a professional dive watch, the HydroConquest's refined proportions and premium finishing allow it to transition effortlessly from outdoor adventure to everyday wear.\u003c\/p\u003e\n\u003cp\u003eIts combination of polished and brushed surfaces, ceramic bezel and crisp black dial creates a versatile aesthetic that feels equally at home with casual attire or business dress.\u003c\/p\u003e\n\u003ch2\u003eA Modern Longines Classic\u003c\/h2\u003e\n\u003cp\u003eThe HydroConquest L3.788.4.56.6 perfectly demonstrates Longines' expertise in producing luxury sports watches that combine technical innovation with timeless design.\u003c\/p\u003e\n\u003cp\u003eWith its upgraded movement, extended power reserve, silicon balance spring and refined new case design, it is an outstanding choice for those seeking a versatile Swiss dive watch built for a lifetime of exploration.\u003c\/p\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eReference: L3.788.4.56.6\u003c\/li\u003e\n\u003cli\u003eCollection: Longines HydroConquest\u003c\/li\u003e\n\u003cli\u003eLongines Calibre L888.5\u003c\/li\u003e\n\u003cli\u003eAutomatic mechanical movement\u003c\/li\u003e\n\u003cli\u003eApprox. 72-hour power reserve\u003c\/li\u003e\n\u003cli\u003eMonocrystalline silicon balance spring\u003c\/li\u003e\n\u003cli\u003e25,200 vibrations per hour\u003c\/li\u003e\n\u003cli\u003e42mm stainless steel case\u003c\/li\u003e\n\u003cli\u003eBlack lacquered polished dial\u003c\/li\u003e\n\u003cli\u003eDate display at 3 o'clock\u003c\/li\u003e\n\u003cli\u003eBlack ceramic unidirectional rotating bezel\u003c\/li\u003e\n\u003cli\u003eScrew-down crown\u003c\/li\u003e\n\u003cli\u003eScrew-down case back\u003c\/li\u003e\n\u003cli\u003eScratch-resistant sapphire crystal\u003c\/li\u003e\n\u003cli\u003eMulti-layer anti-reflective coating on both sides\u003c\/li\u003e\n\u003cli\u003eStainless steel bracelet\u003c\/li\u003e\n\u003cli\u003eDouble-security folding clasp with integrated micro-adjustment\u003c\/li\u003e\n\u003cli\u003eWater resistant to 300 metres (30 bar)\u003c\/li\u003e\n\u003cli\u003eSwiss Super-LumiNova® hands and indexes\u003c\/li\u003e\n\u003cli\u003eSwiss Made\u003c\/li\u003e\n\u003cli\u003eFive-year Longines manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Longines","offers":[{"title":"Default Title","offer_id":57335665590647,"sku":"L37884566","price":1925.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/0643\/4455\/files\/watch-collection-hydroconquest-l3-788-4-56-6-b23b00-hero.avif?v=1785493188","url":"https:\/\/www.deacons-jewellers.com\/products\/longines-hydroconquest-42mm","provider":"Deacon \u0026 Son  ","version":"1.0","type":"link"}