{"product_id":"hr-mainspring-a733-for-waltham-0s-factory-no-2230-steel","title":"HR Mainspring A733 for Waltham 0s Factory No. 2230 - Steel","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003eMainspring A733 for 0s \u003cstrong\u003eWaltham\u003c\/strong\u003e Model 1907, Factory No. 2230, steel, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":48916235157812,"sku":"PMA-HRA733S-10","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-10-1117.26.56.jpg?v=1760228841","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-mainspring-a733-for-waltham-0s-factory-no-2230-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}