{"product_id":"alloy-mainspring-for-16s-waltham-no-2227-2267","title":"Alloy Mainspring for 16s Waltham No. 2227 \/ 2267","description":"\u003cp\u003eUnmarked Maker Swiss made Alloy Mainspring for 16s \u003cstrong\u003eWaltham\u003c\/strong\u003e, Factory number 2227 \/ 2267, 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 in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003cbr\u003e\u003c\/p\u003e","brand":"Unmarked","offers":[{"title":"Default Title","offer_id":48094341497140,"sku":"PMA-STA2227A-07","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-19_18.23.06.jpg?v=1781918604","url":"https:\/\/www.vintagetimeparts.com\/products\/alloy-mainspring-for-16s-waltham-no-2227-2267","provider":"Vintage Time Parts","version":"1.0","type":"link"}