{"product_id":"cr-mainspring-129-for-waltham-colonial-b-no-2237-steel","title":"CR Mainspring #129 for Waltham Colonial B No. 2237 - Steel","description":"\u003cp\u003e\u003cstrong\u003eCharles Robert\u003c\/strong\u003e Mainspring #129 for \u003cstrong\u003eWaltham\u003c\/strong\u003e Colonial B Movements, Factory No 2237, steel, new in envelope. See images for precise mainspring specifications. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item.\u003c\/p\u003e","brand":"CR Mainsprings","offers":[{"title":"Default Title","offer_id":48495606563124,"sku":"PMA-CRMS0129S-03","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-03-0720.25.23.jpg?v=1741408045","url":"https:\/\/www.vintagetimeparts.com\/products\/cr-mainspring-129-for-waltham-colonial-b-no-2237-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}