{"product_id":"hamilton-factory-dynavar-mainspring-for-6-0-no-27434-alloy","title":"Hamilton Factory Dynavar Mainspring for 6\/0 No. 27434 - Alloy","description":"\u003cp\u003e\u003cstrong\u003eHamilton\u003c\/strong\u003e Factory \u003cem\u003eDynavar\u003c\/em\u003e Mainspring for 6\/0s Movements, Factory No. 27434, 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 in hard to find watch parts so I usually have whatever you might need and all watch parts are unconditionally guaranteed. Images do a satisfactory job of representing the item.\u003c\/p\u003e","brand":"Hamilton","offers":[{"title":"Default Title","offer_id":49118339334452,"sku":"PMA-HAM27434A-10","price":17.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-10-08_16.04.09.jpg?v=1791500676","url":"https:\/\/www.vintagetimeparts.com\/products\/hamilton-factory-dynavar-mainspring-for-6-0-no-27434-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}