{"product_id":"steel-mainspring-for-crown-n-y-standard-3-0s-1323","title":"Steel Mainspring for CROWN (N. Y. Standard) 3\/0s No. 1323","description":"\u003cp\u003eGeneric Steel Mainspring for \u003cstrong\u003eCROWN\u003c\/strong\u003e (N. Y. Standard) 3\/0s wrist watches, Factory No. 1323, new envelope. Usually I have some idea who made specific mainsprings but the envelopes don't show a maker, just the information you see here - Dennison 7 x 9. 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":"Unmarked","offers":[{"title":"Default Title","offer_id":49125863522612,"sku":"PMA-STAR1323S-05","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-05-1119.16.00.jpg?v=1778552435","url":"https:\/\/www.vintagetimeparts.com\/products\/steel-mainspring-for-crown-n-y-standard-3-0s-1323","provider":"Vintage Time Parts","version":"1.0","type":"link"}