{"product_id":"pm-mainspring-m223-for-14-0s-hamilton-no-5021-718440-alloy","title":"PM Mainspring M223 for 14\/0s Hamilton No. 5021 \/ 718440 - Alloy","description":"\u003cp\u003e\u003cb\u003ePM\u003c\/b\u003e Mainspring M223 for 14\/0s Movements, Factory No. 5021 \/ 718440, alloy, new in envelope. See images for further details and note it's shown as equivalent to a HR SA223. I likely have quite a few of these so the one you get may differ slightly from the images. 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":"PM","offers":[{"title":"Default Title","offer_id":49166887649588,"sku":"PMA-PMMSM223A-06","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2026-06-1909.26.33.jpg?v=1781886685","url":"https:\/\/www.vintagetimeparts.com\/products\/pm-mainspring-m223-for-14-0s-hamilton-no-5021-718440-alloy","provider":"Vintage Time Parts","version":"1.0","type":"link"}