{"product_id":"bestfit-clock-time-mainspring-for-mauthe-34-kienzle-31-171-seth-thomas-a915-102-no-l335-1","title":"BESTFIT Clock TIME Mainspring for Mauthe 34, Kienzle 31-171, Seth Thomas A915-102, No. T335-1","description":"\u003cp\u003e\u003cstrong\u003eBestfit \u003c\/strong\u003eSystem #77 Mainspring for Mauthe 34, Kienzle 31-171, Seth Thomas A915-102, regular tongue end, No. T335-1, 1940’s or newer, steel, new in envelope. See images for precise mainspring specifications. I specialize in hard to find watch \u0026amp; clock parts and all parts are unconditionally guaranteed. Images do a pretty good job of representing the item\u003c\/p\u003e","brand":"BESTFIT","offers":[{"title":"Default Title","offer_id":48955978809652,"sku":"CMS-BESTT3351S-11","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-11-3013.55.08.jpg?v=1764540009","url":"https:\/\/www.vintagetimeparts.com\/products\/bestfit-clock-time-mainspring-for-mauthe-34-kienzle-31-171-seth-thomas-a915-102-no-l335-1","provider":"Vintage Time Parts","version":"1.0","type":"link"}