{"product_id":"hr-quick-fit-mainspring-no-k429d-for-font-120-123-bulova-6ah-6am-wittnauer-6ff-alloy","title":"HR Quick Fit Mainspring No. K429D for Font 120, 123, Bulova 6AH, 6AM, Wittnauer 6FF - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHR \u003c\/strong\u003e\u003cem\u003eQuick Fit \u003c\/em\u003eMainspring No. K429D for Font 120, 123, Bulova 6AH, 6AM, Wittnauer 6FF caliber movements, alloy, new in envelope. See images for all calibers supported and 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 so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item.\u003c\/p\u003e","brand":"HR","offers":[{"title":"Default Title","offer_id":48984519999796,"sku":"PMS-HRQFK429DA-12","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-12-2514.29.03.jpg?v=1766701946","url":"https:\/\/www.vintagetimeparts.com\/products\/hr-quick-fit-mainspring-no-k429d-for-font-120-123-bulova-6ah-6am-wittnauer-6ff-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}