{"product_id":"comsco-mainspring-11111-for-hamilton-10s-factory-no-6021-steel","title":"Comsco Mainspring #11111 for Hamilton 10s Factory No. 6021 - Steel","description":"\u003cp\u003e\u003cstrong\u003eComsco \u003c\/strong\u003eMainspring #11111 for \u003cstrong\u003eHamilton\u003c\/strong\u003e 10s Movements, Factory No. 6021, steel, new in frail  envelope. Distributed by Burton M. Reid and Sons. See image for precise mainspring specifications and further details. Not a particularly common mainspring. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do a pretty good job of representing the item.\u003c\/p\u003e","brand":"Comsco","offers":[{"title":"Default Title","offer_id":47452644049204,"sku":"PMA-COM11111S-07","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/products\/3129603540.jpg?v=1705291608","url":"https:\/\/www.vintagetimeparts.com\/products\/comsco-mainspring-11111-for-hamilton-10s-factory-no-6021-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}