{"product_id":"marco-mainspring-2864-for-gsw-23-7-4-excelsior-part-5c-51c-gruen-627-tissot-782-steel","title":"Marco Mainspring #2864 for GSW 23.7-4, Excelsior Park 5C, 51C, Gruen 627, Tissot 782 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eMainspring No. 2864 for Excelsior Park 5C, 51C, Gruen 627, Geneva Sport 23.7-4, Tissot 782 caliber movements, and perhaps others, steel, new in envelope. See images for precise mainspring specifications. 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":49005911933236,"sku":"PMS-CEM2864S-01","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-01-2518.03.38.jpg?v=1769393072","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-2864-for-gsw-23-7-4-excelsior-part-5c-51c-gruen-627-tissot-782-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}