{"product_id":"vintage-1970s-helbros-invincible-day-date-17j-manual-watch-black-ombre-dial-r76","title":"Vintage 1970s Helbros Invincible Day Date 17J Manual Watch Black Ombre Dial R76","description":"\u003cdiv class=\"item-specifics\"\u003e\u003cdiv class=\"specs-grid\"\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBezel Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eSilver\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eClosure\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBuckle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eMax Wrist Size\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e7.26-7.5 in\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDial Pattern\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eOmbre\/Gradient\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eNumber of Jewels\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e17 Jewels\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eIndices\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eStick Indexes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eYear Manufactured\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e1970-1979\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Thickness\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e10 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eVintage\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand\/Strap\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eTwo-Piece Strap\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eSilver\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCaseback\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eSnap\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDepartment\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMen\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eLug Width\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e18 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBezel Type\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eFixed, Smooth\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWatch Shape\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eRound\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eStyle\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eCasual, Classic, Dress\/Formal\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Size\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e35 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e12-Hour Dial, Central Second, Date Indicator, Day\/Date, Day Indicator, Fixed Bezel, Mineral Crystal, Multiple Hands, Push\/Pull Crown, Seconds Hand\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Material\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eStainless Steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWater Resistance\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eNot Water Resistant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eMovement\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMechanical (Manual)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWith Papers\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eNo\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eReference Number\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eR76\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBrand\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eHelbros\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eType\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eWristwatch\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBlack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand Material\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eLeather\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDial Color\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eBlack\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eBand Width\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e18 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eModel\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eHelbros Invincible\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eWith Original Box\/Packaging\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eNo\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCase Finish\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003ePolished\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eCountry of Origin\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eGermany\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-pair\"\u003e\n\u003cdiv class=\"spec-name\"\u003eDisplay\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eAnalog\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"item-description\"\u003e\u003cdiv class=\"description-text\"\u003e\n\u003cp\u003e\u003cstrong\u003eVintage 1970s Helbros Invincible Day-Date – Stunning Black Ombré Dial – EXCELLENT Timegrapher Specs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUp for sale is a gorgeous, highly stylized 1970s Helbros Invincible Day-Date mechanical men’s dress watch. Manufactured in West Germany, this retro timepiece features a phenomenal black-to-silver gradient dial layout that perfectly captures the bold aesthetic design of the 1970s.Unlike most vintage watches sold with an \"unknown working state,\" this piece has been fully tested on a professional Weishi Multifunction Timegrapher and shows incredible, near-perfect mechanical health.\u003c\/p\u003e\n\u003cp\u003eKey Specifications:\u003c\/p\u003e\n\u003cp\u003eBrand \/ Model: Helbros Invincible Day-Date\u003c\/p\u003e\n\u003cp\u003eMovement Caliber: High-Grade Helbros Caliber 89A (17 Jewels, Mechanical Hand-Winding)Movement Reference: R76\u003c\/p\u003e\n\u003cp\u003eCountry of Origin: West Germany (Dial marked \"West Germany\", movement stamped \"Germany\")Case Metal: Chrome-Plated Base Metal Bezel with a Stainless Steel Back\u003c\/p\u003e\n\u003cp\u003eCase Size: 35 mm (excluding crown)Lug Width: 18 mm\u003c\/p\u003e\n\u003cp\u003eStrap: Brand new aftermarket smooth black genuine leather strap\u003c\/p\u003e\n\u003cp\u003eVerified Timegrapher Performance:\u003c\/p\u003e\n\u003cp\u003eBuy with complete confidence! The 17-jewel manual-wind movement is running flawlessly. The verified performance metrics on a professional timegrapher show:\u003c\/p\u003e\n\u003cp\u003eRate Accuracy: -7 seconds per day (Exceptional accuracy for a 50-year-old vintage timepiece)Amplitude: 296° (Indicates a highly healthy mainspring delivering strong, modern-grade power)Beat Error: 0.2 ms (Excellent hairspring balance alignment; practically negligible error)Frequency: 21,600 vph\u003c\/p\u003e\n\u003cp\u003eCondition Report:\u003c\/p\u003e\n\u003cp\u003eDial \u0026amp; Hands: Absolutely striking original factory black-to-silver ombré \/ gradient dial. The finish shifts seamlessly from a deep charcoal black edge to a bright silver sunburst racing stripe through the middle. Features bold raised silver indices, matching hands, and an expansive dual day-date calendar frame at 3 o'clock.\u003c\/p\u003e\n\u003cp\u003eCase \u0026amp; Crystal: The chrome-plated case exhibits honest vintage character from normal wear, with typical surface hairline scratches and minor pitting\/plate wear visible along the left side-wall, case back edges, and the winding crown. The high-domed acrylic crystal is polished, clean, and crack-free.\u003c\/p\u003e\n\u003cp\u003eFunctionality: The movement winds up smoothly, ticks strong, and keeps excellent time. The day-date calendar complications flip over correctly.\u003c\/p\u003e\n\u003cp\u003eFast, secure shipping. The watch will be packed with professional care. Please review all high-resolution photos for exact cosmetic details and feel free to reach out with any questions!\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cstyle\u003e\n  .item-specifics, .item-description {font-family: Arial, sans-serif; font-size: 14px; margin-top: 16px;}\n  .title {font-size: 16px; font-weight: bold; margin: 0 0 8px 0;}\n  .specs-grid {display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 24px;}\n  .spec-pair {display: grid; grid-template-columns: 120px 1fr; gap: 8px;}\n  .spec-name {font-weight: bold; color: #111;}\n  .spec-value {color: #333;}\n  .description-text {margin-top: 8px; line-height: 1.4; color: #333;}\n\u003c\/style\u003e\n","brand":"Hall Watch Collective","offers":[{"title":"Default Title","offer_id":67696551919894,"sku":"v1|206590103575|0","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/0693\/6342\/files\/s-l1600_7bc84a97-0de9-41fc-bebc-c406f6f90e21.jpg?v=1791800581","url":"https:\/\/hallwatchcollective.com\/products\/vintage-1970s-helbros-invincible-day-date-17j-manual-watch-black-ombre-dial-r76","provider":"Hall Watch Collective","version":"1.0","type":"link"}