{"product_id":"ronda-mainspring-no-452-for-aurore-39-and-tissot-13-6-based-calibers-alloy","title":"Ronda Mainspring No. 452 for Aurore 39 and Tissot 13.6 based calibers - Alloy","description":"\u003cp\u003e\u003cstrong\u003eRonda \u003c\/strong\u003eNo. 452 Ronda-Flex Alloy mainspring for \u003cstrong\u003eAurore\u003c\/strong\u003e caliber 39 \u0026amp; \u003cstrong\u003eTissot\u003c\/strong\u003e 13.6-1T, 13.6-21T caliber movements and perhaps others, alloy, new in envelope.  See images for precise mainspring specifications.  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 pretty good job of representing the item.\u003c\/p\u003e","brand":"Ronda","offers":[{"title":"Default Title","offer_id":47451840348468,"sku":"PMS-ROND452A-01","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/613995730.jpg?v=1705272864","url":"https:\/\/www.vintagetimeparts.com\/products\/ronda-mainspring-no-452-for-aurore-39-and-tissot-13-6-based-calibers-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}