{"product_id":"paulson-mainspring-no-57m-for-aurore-caliber-16t-a-michel-caliber-65-66-steel","title":"Paulson Mainspring No. 57M for Aurore caliber 16T, A. Michel caliber 65, 66 - Steel","description":"\u003cp\u003e\u003cstrong\u003ePaulson\u003c\/strong\u003e Mainspring No. 57M for Aurore caliber 16T, A. Michel caliber 65, 66 movements and perhaps others, steel, 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":"Paulson","offers":[{"title":"Default Title","offer_id":49134968340788,"sku":"PMS-PAUL0057MS-05","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-05-2208.32.36.jpg?v=1779464109","url":"https:\/\/www.vintagetimeparts.com\/products\/paulson-mainspring-no-57m-for-aurore-caliber-16t-a-michel-caliber-65-66-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}