{"product_id":"seiko-prospex-samurai-shogurai-sbdy131-srpl13k1-mens-watch","title":"Seiko Prospex \"Samurai Shogurai\" SBDY131 (SRPL13K1) Men's Watch","description":"\u003cp data-path-to-node=\"6\"\u003eThe Seiko Prospex SBDY131 (also designated across international and global catalogs as the SRPL13 or SRPL13K1 within the celebrated Prospex Diver Scuba Collection) is an authoritative, high-performance Japanese automatic mechanical professional diving instrument.\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cspan class=\"citation-2579 citation-end-2579\"\u003eMarking a major evolutionary milestone in the legendary \"Samurai\" lineage that first debuted in 2004, this next-generation reference redesigns the iconic silhouette into a sleeker, more ergonomic 41.7mm case format.\u003c\/span\u003e\u003cspan class=\"\"\u003e \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003eKnown throughout international dive watch communities, horological forums, and enthusiast circles by its defining community nicknames—the \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e\"Samurai\"\u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e, \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e\"Black Samurai\"\u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e, \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e\"Shogurai\"\u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e, \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e\"New Samurai\"\u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e, \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e\"Samurai 41\"\u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e, or \u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e\"Katana Diver\"\u003c\/span\u003e\u003cspan class=\"citation-2578\"\u003e—it is revered for its razor-sharp angular lug geometry reminiscent of a Japanese sword (\u003c\/span\u003e\u003ci data-path-to-node=\"6\" data-index-in-node=\"793\" class=\"\"\u003e\u003cspan class=\"citation-2578\"\u003ekatana\u003c\/span\u003e\u003c\/i\u003e\u003cspan class=\"citation-2578 citation-end-2578\"\u003e), deep matte black dial, high-traction knurled timing bezel, and ISO-certified 200-meter saturation-ready dive architecture.\u003c\/span\u003e \u003cspan class=\"citation-2577 citation-end-2577\"\u003eIt unites a sculpted 316L solid stainless steel case in a refined 41.7mm diameter with an ink-black matte dial face, bold applied LumiBrite indices, an in-house Japanese automatic mechanical caliber, impact-resistant Hardlex crystal glass, certified Diver's 200-meter water resistance, and an integrated solid stainless steel construction with a built-in diver's extension.\u003c\/span\u003e\u003cspan class=\"\"\u003e Perfectly calibrated for divers,\u003c\/span\u003e\u003cspan class=\"\"\u003e outdoor adventurers,\u003c\/span\u003e and discerning gentlemen seeking an uncompromising tool watch that transitions effortlessly from deep-sea expeditions and open-water sports to demanding executive meetings and smart-casual weekends. The defining visual centerpiece of this SBDY131 reference is its purposeful,\u003cspan class=\"\"\u003e high-contrast matte black dial plate.\u003c\/span\u003e\u003cspan class=\"\"\u003e Engineered specifically for optimal legibility in murky underwater conditions and low-light environments,\u003c\/span\u003e\u003cspan class=\"\"\u003e the glare-free black surface provides maximum contrast for prominent,\u003c\/span\u003e\u003cspan class=\"\"\u003e faceted applied hour batons and trapezoidal indices.\u003c\/span\u003e\u003cspan class=\"\"\u003e Every marker,\u003c\/span\u003e along with the broad arrow minute hand and faceted sword hour hand,\u003cspan class=\"\"\u003e is generously filled with Seiko’s high-output \u003c\/span\u003e\u003cspan class=\"animating\"\u003eLumiBrite\u003c\/span\u003e compound, delivering a brilliant, long-lasting green luminescence. A subtle circular date calendar aperture is positioned discreetly between 4 and 5 o'clock, maintaining visual symmetry across all twelve primary hour markers. \u003cspan class=\"citation-2576 citation-end-2576\"\u003eSurrounding the dial is an angled chapter ring with fine minute ticks, encircled by a 120-click unidirectional rotating steel bezel fitted with a knurled cross-hatch perimeter grip and a black aluminum insert featuring crisp 60-minute elapsed-timing demarcations and a luminescent pip at the 12 o'clock origin. \u003c\/span\u003eBeneath its tailored exterior, the watch is driven by Seiko’s proven in-house Calibre 4R35 Japanese automatic mechanical movement, engineered and manufactured at Seiko’s dedicated horological facilities in Japan. \u003cspan class=\"citation-2575\"\u003eOperating at a steady frequency of 21,600 vibrations per hour (3 Hz), this 23-jewel self-winding caliber harnesses the kinetic energy of the wearer’s wrist to wind the mainspring, delivering approximately \u003c\/span\u003e\u003cspan class=\"citation-2575\"\u003e41 hours of autonomous power reserve\u003c\/span\u003e\u003cspan class=\"citation-2575 citation-end-2575\"\u003e on a full wind.\u003c\/span\u003e \u003cspan class=\"citation-2574 citation-end-2574\"\u003eThe caliber features automatic self-winding, manual hand-winding capabilities, a rapid date-correction mechanism, and a hacking seconds (stop-seconds) mechanism that halts the seconds hand when the crown is pulled out for down-to-the-second time synchronization.\u003c\/span\u003e \u003cspan class=\"citation-2573\"\u003eBuilt with Seiko’s proprietary \u003c\/span\u003e\u003cspan class=\"citation-2573\"\u003eDiashock\u003c\/span\u003e\u003cspan class=\"citation-2573\"\u003e shock-absorbing system, the movement delivers dependable stability rated to a factory precision tolerance of \u003c\/span\u003e\u003cspan class=\"citation-2573\"\u003e+45 to -35 seconds per day\u003c\/span\u003e\u003cspan class=\"citation-2573\"\u003e and incorporates \u003c\/span\u003e\u003cspan class=\"citation-2573\"\u003eJIS Class 1 magnetic resistance (4,800 A\/m)\u003c\/span\u003e\u003cspan class=\"citation-2573 citation-end-2573\"\u003e, protecting timekeeping accuracy against daily electromagnetic exposure. \u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003eThe case is engineered with modern, wrist-flattering dive proportions, measuring an official \u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e41.7mm in case diameter\u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e with a case profile thickness of \u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e12.3mm\u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e, a compact \u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e49.5mm lug-to-lug distance\u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e, and a versatile \u003c\/span\u003e\u003cspan class=\"citation-2572\"\u003e20mm lug width\u003c\/span\u003e\u003cspan class=\"citation-2572 citation-end-2572\"\u003e.\u003c\/span\u003e \u003cspan class=\"citation-2571\"\u003eWeighing \u003c\/span\u003e\u003cspan class=\"citation-2571\"\u003e170.0 grams\u003c\/span\u003e\u003cspan class=\"citation-2571 citation-end-2571\"\u003e, the watch commands a solid, reassuring wrist presence while improving upon the ergonomics of previous 43.8mm generations thanks to sharp, downward-sloping faceted lugs that drape comfortably around the wrist.\u003c\/span\u003e Dial protection is provided by a heavy-duty, impact-resistant flat Hardlex crystal designed to absorb surface shocks during active diving and sports use. \u003cspan class=\"citation-2570\"\u003eBuilt to strict ISO 6425 dive watch standards, the solid 316L stainless steel case features an ergonomic screw-down crown at 3 o'clock with aggressive protective crown walls, and a solid screw-down caseback deeply embossed with Seiko’s iconic \u003c\/span\u003e\u003cspan class=\"citation-2570\"\u003eTsunami \/ Great Wave\u003c\/span\u003e\u003cspan class=\"citation-2570\"\u003e emblem, securing a certified \u003c\/span\u003e\u003cspan class=\"citation-2570\"\u003eDiver's 200-meter (660 ft) water resistance rating\u003c\/span\u003e\u003cspan class=\"citation-2570 citation-end-2570\"\u003e.\u003c\/span\u003e \u003cspan class=\"citation-2569 citation-end-2569\"\u003eThe timepiece comes completed on an integrated solid stainless steel three-link construction featuring satin-brushed surfaces and chamfered edges, secured by a heavy-duty three-fold clasp with a secure safety lock, dual push-button release, and a one-push diver's extender system.\u003c\/span\u003e\u003c\/p\u003e","brand":"MonaWatch","offers":[{"title":"Default Title","offer_id":67706387530042,"sku":"SBDY131","price":2470.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0920\/5858\/3354\/files\/NewProject_b4444e0b-3ea3-44c3-9cb8-b79bf62ed18e.webp?v=1792058927","url":"https:\/\/www.monawatch.com\/products\/seiko-prospex-samurai-shogurai-sbdy131-srpl13k1-mens-watch","provider":"MonaWatch","version":"1.0","type":"link"}