{"product_id":"vintage-benrus-mechanical-watch-1950s-tonneau-17j","title":"Vintage BENRUS Watch BA4 ETA 161 Swiss Made Wristwatch Tonneau Case \u0026 Fancy Lugs","description":"\u003ch2\u003eWatch Overview\u003c\/h2\u003e\n\u003cp\u003eThis is a vintage Benrus mechanical wristwatch dated from the 1950s. Serviced on 12\/2025.\u003c\/p\u003e\n\u003cp\u003eIt is a manual-wind watch powered by an original Benrus Watch Co. mechanical movement featuring 17 jewels and sub-second hand. It operates at 18,000 vibrations per hour with an approximate 41-hour power reserve. Swiss made.\u003c\/p\u003e\n\u003cp\u003eIt has a champagne dial (showing some age and patina) with applicated Arabic numerals, arrow hour markers, black minute track and complement with gold-tone matching hands.\u003c\/p\u003e\n\u003cp\u003eCased in a 25.2x28.2mm tonneau case with elegant lugs design, crafted in 10K yellow gold filled. It features a polished finish and paired with a dark brown brand-new leather two-piece strap. This timepiece presents well with signs of honest aging. Fully inspected and authenticated. Running and wearable.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\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 Benrus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Wristwatch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear \/ Era:\u003c\/strong\u003e 1950s - Vintage\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\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 Champagne\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Arabic numerals. Arrow hour markers. Sub-second hand.\u003c\/li\u003e\n\u003c\/ul\u003e\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 Manual-winding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJewels:\u003c\/strong\u003e 17\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSome Features:\u003c\/strong\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 8px;\"\u003e\n\u003cli\u003eSmall second hand\u003c\/li\u003e\n\u003cli\u003eServiced on 12\/2025\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Reserve:\u003c\/strong\u003e 41-hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 18,000vph\u003c\/li\u003e\n\u003c\/ul\u003e\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 10K gold filled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Shape:\u003c\/strong\u003e Tonneau\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBezel:\u003c\/strong\u003e Fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack:\u003c\/strong\u003e Snap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e Pull-Push\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Acrylic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBand:\u003c\/strong\u003e Brown two-piece strap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Back Markings:\u003c\/strong\u003e BENRUS 10K Gold Filled 831986\u003c\/li\u003e\n\u003c\/ul\u003e\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 25.2x28.2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Diameter w\/Crown:\u003c\/strong\u003e 27\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Lug to Lug:\u003c\/strong\u003e 39.3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Thickness:\u003c\/strong\u003e 8.4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug Width:\u003c\/strong\u003e 16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBand Width:\u003c\/strong\u003e 16\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdditional Info\u003c\/h2\u003e\n\u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 12px;\"\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 NO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e The watch is in good condition, some signs of wear consistent with its age and use, a solid case, dial and brand-new strap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtras:\u003c\/strong\u003e Fully inspected and authenticated by our in-house watchmaker, confirming that it runs accurately. It is ready to wear and enjoy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\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’re committed to quality, accuracy, and integrity. Our listings feature:\u003c\/p\u003e\n\u003cp\u003eProfessional, unedited photography and clear, transparent descriptions. Every watch is thoroughly inspected and securely packaged to ensure a confident, seamless buying experience.\u003c\/p\u003e\n\u003cp\u003eWe also warmly invite you to visit our physical shop and explore the collection in person.\u003c\/p\u003e\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 just to talk watches — we love what we do and enjoy connecting with fellow enthusiasts.\u003c\/p\u003e\n\u003cp\u003eThank you for your business—we truly appreciate your support and look forward to serving you again in the future!\u003c\/p\u003e\n\u003cp\u003eWA-5273\u003c\/p\u003e","brand":"Benrus","offers":[{"title":"Default Title","offer_id":46580898595010,"sku":"WA-5273","price":191.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0577\/7027\/9106\/files\/PXL_20251212_171034108.MP_2.jpg?v=1768491430","url":"https:\/\/secondhandhorology.com\/en-de\/products\/vintage-benrus-mechanical-watch-1950s-tonneau-17j","provider":"SECOND HAND HOROLOGY","version":"1.0","type":"link"}