{"product_id":"marco-mainspring-no-3047-for-7-ligne-gotham-and-7-ligne-ollendorf-steel","title":"Marco Mainspring #3047 for Bulova 7AT, MST 288, Movado 780, Tavannes 354 - Steel","description":"\u003cp\u003e\u003cstrong\u003eMarco \u003c\/strong\u003eNo. 3047 steel mainspring for Bulova 7AT, MST 288, Movado 780, Tavannes 354, Felsa 171, General 105, 106 and older movements such as 7¾ ligne Gotham and 7¾ ligne Ollendorf and perhaps even others as well, new in envelope. See images for precise mainspring specifications. I specialize is 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":48895668519220,"sku":"PMS-CEM3047S-09","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-09-16_20.11.43.jpg?v=1758078866","url":"https:\/\/www.vintagetimeparts.com\/products\/marco-mainspring-no-3047-for-7-ligne-gotham-and-7-ligne-ollendorf-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}