{"product_id":"marco-mainspring-2737-for-universal-231-font-206-206-1-steel","title":"Marco Mainspring #2737 for Universal 231, Font 206, 206-1 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring No. 2737 f\u003cstrong\u003e\u003c\/strong\u003eor Universal 231, Font 206, 206-1 caliber movements, steel, new in envelope. See images for precise mainspring specifications and further details. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":49062388957492,"sku":"PMS-CEM2737S-03","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-03-1313.11.38.jpg?v=1773432919","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-2737-for-universal-231-font-206-206-1-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}