{"product_id":"c-e-marshall-mainspring-419-for-hamilton-11-l-grade-673-686-no-67321-716783-alloy","title":"C\u0026E Marshall Mainspring #419 for Hamilton 11½L grade 673, 686 No. 67321 \/ 716783 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eC\u0026amp;E Marshall \u003c\/strong\u003eMainspring #419 for 11½ ligne Movements Grade 673, 686, Factory No. 67321 \/ 716783, alloy, new in envelope. See images for precise mainspring specifications. I likely have several of these so the one you get may differ slightly from the images. I specialize is hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a good job of representing the item.\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":49137824989492,"sku":"PMA-CEM0419A-05","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-05-2616.49.55.jpg?v=1779840187","url":"https:\/\/www.vintagetimeparts.com\/products\/c-e-marshall-mainspring-419-for-hamilton-11-l-grade-673-686-no-67321-716783-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}