{"product_id":"marco-mainspring-for-waltham-6-ligne-model-670-factory-no-2244-steel","title":"Marco Mainspring #278 for Waltham 6¾ Ligne Model 670 Factory No. 2244 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco\u003c\/strong\u003e Mainspring #278 for \u003cstrong\u003eWaltham\u003c\/strong\u003e Factory No. 2244 for 6¾ Ligne Model 670, steel, new in envelope. See image for further details. I likely have several of these so the one you get may differ very 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. See image for further details. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"C \u0026 E Marshall","offers":[{"title":"Default Title","offer_id":48853930377524,"sku":"PMA-CEM0278S-08","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-08-1417.51.50.jpg?v=1755219161","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-for-waltham-6-ligne-model-670-factory-no-2244-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}