{"product_id":"cr-mainspring-410-for-12s-illinois-factory-no-47345-steel","title":"CR Mainspring #410 for 12s Illinois Factory No 47345 - Steel","description":"\u003cp\u003e\u003cstrong\u003eCharles Robert\u003c\/strong\u003e Mainspring #410 for 12s \u003cstrong\u003eIllinois\u003c\/strong\u003e, Factory No. 47345 (super old number was 1236), T brace, steel, new in frail cellophane envelope. See images for precise mainspring specifications. This can be a tough mainspring to find. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a barely adequate job of representing the item.\u003cbr\u003e\u003c\/p\u003e","brand":"Charles Robert","offers":[{"title":"Default Title","offer_id":48879688024372,"sku":"PMA-CRMS410S-09","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-3016.27.36.jpg?v=1756596675","url":"https:\/\/www.vintagetimeparts.com\/products\/cr-mainspring-410-for-12s-illinois-factory-no-47345-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}