{"product_id":"crown-3-0s-mainspring-no-1323-made-by-waltham-steel","title":"Crown 3\/0s Mainspring No. 1323 Made by Waltham - Steel","description":"\u003cp\u003e\u003cstrong\u003eCrown\u003c\/strong\u003e (N.Y. Standard) 3\/0s\u003cstrong\u003e \u003c\/strong\u003eMainspring Factory No. 1323 made by Waltham, steel, new in frail envelope. See images for further details. Waltham didn't mark them except for \"Unit Resilient Main Spring.\" I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"Waltham","offers":[{"title":"Default Title","offer_id":48909666058548,"sku":"PMA-DHW1323S-10","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-10-0109.40.43.jpg?v=1759337012","url":"https:\/\/www.vintagetimeparts.com\/products\/crown-3-0s-mainspring-no-1323-made-by-waltham-steel","provider":"Vintage Time Parts","version":"1.0","type":"link"}