{"product_id":"2018-iwc-portofino-automatic-37-watch-iw458101-date-diamond-silver-tone-dial-b-p","title":"2018 IWC Portofino Automatic 37 Watch IW458101 Date Diamond Silver-Tone Dial B\u0026P","description":"\u003ch2\u003eWatch Overview\u003c\/h2\u003e \n\n\u003cp\u003eOffered here is a highly collectible IWC Portofino Automatic 37 wristwatch, reference IW458101, dated from 2018. This example comes complete with its original box and papers.\u003c\/p\u003e\n\n\u003cp\u003ePowered by the IWC caliber 35111 automatic movement, this Swiss-made timepiece features a sweep seconds hand, hacking seconds, and a date display. It operates at 28,800 vph and offers an approximate 50-hour power reserve.\u003c\/p\u003e\n\n\u003cp\u003eHoused in a 37mm round stainless steel case with a fixed smooth bezel, it features a convex sapphire crystal with anti-reflective coating on both sides. Water-resistant to 30 meters (3 bar).\u003c\/p\u003e\n\n\u003cp\u003eThe sunburst silver dial is elegantly designed with applied gold-tone Roman numerals at 6 and 12 o’clock, stick hour markers set with diamond accents, and matching gold-tone hands. A date window is positioned at 3 o’clock.\u003c\/p\u003e\n\n\u003cp\u003eThis example is fitted with the original IWC stainless steel mesh band with signed clasp, and includes an additional non-original brown leather two-piece strap.\u003c\/p\u003e \n\n\u003cp\u003eFully inspected and authenticated by our in-house watchmaker, this timepiece is running properly and ready to wear and enjoy.\u003c\/p\u003e\n\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\n\u003ch3\u003eGeneral Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e IWC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wristwatch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Portofino Automatic 37\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e IW458101\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYear \/ Era:\u003c\/strong\u003e 2018 – Modern\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender:\u003c\/strong\u003e Men's\u003c\/li\u003e  \n  \u003cli\u003e\n\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e Switzerland\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDial \u0026amp; Display\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Analog\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Roman numerals, diamond-set hour markers, sweep seconds, date display, minute track\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMovement\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e IWC 35111\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJewels:\u003c\/strong\u003e 25\u003c\/li\u003e  \n  \u003cli\u003e\n\u003cstrong\u003eMovement Functions:\u003c\/strong\u003e\n    \u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 8px;\"\u003e\n      \u003cli\u003eSweep seconds\u003c\/li\u003e\n      \u003cli\u003eHacking seconds\u003c\/li\u003e\n      \u003cli\u003eDate display\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Reserve:\u003c\/strong\u003e Approx. 50 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 28,800 vph\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCase \u0026amp; Band\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBezel:\u003c\/strong\u003e Fixed, smooth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Sapphire, anti-reflective coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBack:\u003c\/strong\u003e Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e Signed IWC crown\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e 30 meters \/ 3 bar\u003c\/li\u003e   \n  \u003cli\u003e\n\u003cstrong\u003eBand Type:\u003c\/strong\u003e Original stainless steel mesh band\u003c\/li\u003e \n  \u003cli\u003e\n\u003cstrong\u003eCase Back Markings:\u003c\/strong\u003e International Watch Co. Portofino, 3 BAR, 5537891\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCase Measurements (mm)\u003c\/h3\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Size:\u003c\/strong\u003e 37\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Thickness:\u003c\/strong\u003e 9.2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLug Width:\u003c\/strong\u003e 18\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAdditional Info\u003c\/h2\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBox \u0026amp; Papers:\u003c\/strong\u003e Yes – includes original box, warranty card, manuals, and accessories as shown\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Very good condition with light signs of wear consistent with careful use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e Fully inspected and authenticated by our in-house watchmaker, confirming proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHistory \u0026amp; Legacy of IWC\u003c\/h2\u003e\n\n\u003cp\u003eFounded in 1868 by American watchmaker Florentine Ariosto Jones, IWC was built around a simple but ambitious idea: bringing together American industrial efficiency and traditional Swiss craftsmanship.\u003c\/p\u003e\n\n\u003cp\u003eOver the years, IWC earned a strong reputation for producing precise, purpose-built tool watches — especially pilot’s watches. One of the brand’s most historic contributions came during the 1940s, when IWC produced the legendary oversized “B-Uhr” navigation watches, now considered some of the most iconic military aviation timepieces ever made.\u003c\/p\u003e\n\n\u003ch2\u003eAbout Second Hand Horology\u003c\/h2\u003e\n\u003cp\u003eAt SECOND HAND HOROLOGY, we offer a curated selection of watches ranging from vintage to modern, including both brand-new and pre-owned timepieces. We are committed to quality, accuracy, and integrity. Our listings feature professional, unedited photography and clear, transparent descriptions.\u003c\/p\u003e\n\u003cp\u003eEvery watch is thoroughly inspected and securely packaged to ensure a confident and seamless buying experience. We warmly invite you to visit our physical shop and explore the collection in person.\u003c\/p\u003e\n\n\u003ch2\u003eContact Us\u003c\/h2\u003e\n\u003cp\u003eWe appreciate you checking out our listing! Don’t hesitate to reach out with questions, offers, or simply to talk watches — we truly enjoy connecting with fellow enthusiasts.\u003c\/p\u003e\n\u003cp\u003eThank you for your business. We genuinely appreciate your support and look forward to serving you again in the future.\u003c\/p\u003e\n\n\u003cp\u003eWA-7175\u003c\/p\u003e","brand":"IWC","offers":[{"title":"Default Title","offer_id":47750802407618,"sku":"WA-7175","price":4500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/7027\/9106\/files\/DSC9194.jpg?v=1780950450","url":"https:\/\/secondhandhorology.com\/products\/2018-iwc-portofino-automatic-37-watch-iw458101-date-diamond-silver-tone-dial-b-p","provider":"SECOND HAND HOROLOGY","version":"1.0","type":"link"}