{"product_id":"seiko-original-ersatzteil-unruhwelle-balance-staff-seikosha-k-k-s-typ-新8-neu-8-nos-1-stuck","title":"Seiko Original Spare Part – Balance Staff – Seikosha (K.K.S.) Type 新8 [NEW 8] – NOS – (1 Piece)","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eOriginal \u003cstrong\u003eSeiko\/Seikosha replacement part\u003c\/strong\u003e from new old stock (NOS) – genuine \u003cstrong\u003ebalance staff\u003c\/strong\u003e, the central axis of the balance wheel.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe balance staff carries the balance wheel and hairspring, and its two fine pivots run in the movement's jewels. It is the \u003cstrong\u003emost frequently broken component\u003c\/strong\u003e in a mechanical watch movement – the pivots typically break due to shocks or falls. This is precisely why a genuine NOS balance staff is a sought-after part for restorers; genuine Seiko NOS material of this kind is becoming increasingly rare on the market.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe staffs come from original \u003cstrong\u003eSeikosha factory stock\u003c\/strong\u003e (packaging with red Seikosha \"S\" logo, manufacturer's abbreviation \u003cstrong\u003eK.K.S.\u003c\/strong\u003e and factory-specific type designation \u003cstrong\u003e新8 - [New 8]\u003c\/strong\u003e). Seikosha was the manufacturing arm of the Seiko Group – the historical foundation behind the later Seiko and Grand Seiko movements.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eManufacturer: Seikosha \/ Seiko (Japan), manufacturer abbreviation K.K.S.\u003c\/li\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eType: Balance Staff\u003c\/li\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMovement identification: 新8 (Seikosha type\/size stamp)\u003c\/li\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaterial: Steel\u003c\/li\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCondition: NOS (new, unused, old stock)\u003c\/li\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOriginal packaging: Seikosha bulk package\u003c\/li\u003e\n\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eScope of delivery: 1 piece (unit price – see note)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003c\/p\u003e","brand":"Vintage \u0026 JDM (Japan Domestic Market)","offers":[{"title":"Default Title","offer_id":53632088572242,"sku":null,"price":22.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/3908\/0530\/files\/IMG-8644.heic?v=1780436356","url":"https:\/\/japanese-microbrands.com\/en\/products\/seiko-original-ersatzteil-unruhwelle-balance-staff-seikosha-k-k-s-typ-%e6%96%b08-neu-8-nos-1-stuck","provider":"Japanese Microbrands - Mario Lenke","version":"1.0","type":"link"}