{"product_id":"cr-mainspring-131-for-waltham-7-ligne-factory-no-2238-steel","title":"CR Mainspring #131 for Waltham 7¼ ligne Factory No. 2238 - Steel","description":"\u003cp\u003e\u003cstrong\u003eCharles Robert \u003c\/strong\u003eMainspring #131 for \u003cstrong\u003eWaltham\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e7¼ ligne movements, Factory No. 2238, 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 pretty good job of representing the item.\u003c\/p\u003e","brand":"Charles Robert","offers":[{"title":"Default Title","offer_id":48855561011508,"sku":"PMA-CRMS131S-08","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-1511.08.20.jpg?v=1755281557","url":"https:\/\/www.vintagetimeparts.com\/products\/cr-mainspring-131-for-waltham-7-ligne-factory-no-2238-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}