{"product_id":"watch-mainspring-nh35-nh36-7009-7s26-movement-replacement","title":"Mainspring for NH35 NH36 7009 7S26 Watch Movement Replacement","description":"\u003cp\u003eKeep your automatic watch running with precision using this replacement \u003cstrong\u003emainspring for NH35, NH36, NH37, NH38, NH39, 7009, and 7S26 movements\u003c\/strong\u003e. Crafted from high-quality metal, this clockwork mainspring delivers a smoother, tighter wind for reliable timekeeping — an essential component for professional watchmakers and hobbyists alike.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Designed to fit NH35, NH36, NH37, NH38, NH39, 7009, and 7S26 watch movements for a versatile repair solution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth, Tight Wind:\u003c\/strong\u003e Engineered to deliver a more consistent and reliable mainspring tension, ensuring accurate movement performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Replacement:\u003c\/strong\u003e Ideal for replacing aged or damaged mainsprings — straightforward to install for experienced watchmakers and enthusiasts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Metal Construction:\u003c\/strong\u003e Made from durable metal with high accuracy, wear resistance, and impact resistance — resists deformation under repeated winding stress.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFine Workmanship:\u003c\/strong\u003e Bright finish and precise dimensions ensure a proper fit and professional-grade results in movement maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e Watch Movement Mainspring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Movements:\u003c\/strong\u003e NH35, NH36, NH37, NH38, NH39, 7009, 7S26\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Metal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Watch Movement Mainspring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRelated Products You May Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which watch movements is this mainspring compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This replacement mainspring is designed to fit NH35, NH36, NH37, NH38, NH39, 7009, and 7S26 automatic watch movements, making it a versatile option for a wide range of SEIKO-based movement repairs.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this mainspring suitable for a beginner watchmaker?\u003c\/h4\u003e\n\u003cp\u003eA: This mainspring is best suited for professional watchmakers or experienced hobbyists who are familiar with watch movement disassembly and reassembly. Proper watchmaking tools are recommended for a safe and accurate installation.\u003c\/p\u003e\n\u003ch4\u003eQ: What material is the mainspring made from?\u003c\/h4\u003e\n\u003cp\u003eA: The mainspring is crafted from high-quality metal, offering excellent durability, wear resistance, and impact resistance with no deformation under normal use — ensuring long-lasting, consistent performance in your watch movement.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which watch movements is this mainspring compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This replacement mainspring is designed to fit NH35, NH36, NH37, NH38, NH39, 7009, and 7S26 automatic watch movements, making it a versatile option for a wide range of SEIKO-based movement repairs.\"}}, {\"@type\": \"Question\", \"name\": \"Is this mainspring suitable for a beginner watchmaker?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This mainspring is best suited for professional watchmakers or experienced hobbyists who are familiar with watch movement disassembly and reassembly. 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