{"product_id":"marco-mainspring-2734-for-as-345-364-375-388-392-411-574-902-steel","title":"Marco Mainspring #2734 for AS 345, 364, 375, 388, 392, 411, 574, 902 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring No. 2734 for AS 345, 364, 375, 388, 392, 411, 574, 902, Gruen 153, 163, 165, 167,168, Westfield 98 caliber movements plus perhaps other similar \u003cspan class=\"st\"\u003eébauche\u003c\/span\u003e movements as well, steel, new in envelope. See images for all supported calibers 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 pretty good job of representing the item.\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48994342109492,"sku":"PMS-CEM2734S-01","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-01-1017.35.43.jpg?v=1768095393","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-2734-for-as-345-364-375-388-392-411-574-902-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}