{"product_id":"suc-rocket-crystal-rmc-104-7b-for-gruen-case-425-592-23-0-x-21-2mm-new","title":"SUC Rocket Crystal RMC 104-7B for GRUEN case #425\/592 - 23.0 x 21.2mm - New","description":"\u003cp\u003e\u003cstrong\u003eSUC\u003c\/strong\u003e \u003cem\u003eRocket\u003c\/em\u003e RMC 104-7B Fancy Acrylic Crystal for \u003cstrong\u003eGRUEN\u003c\/strong\u003e model case #425\/592 and perhaps other wrist watches as well, measures 23.0 x 21.2 mm, new in envelope. These are perfectly clear crystals that haven't been stored for 75+ years like other ones on eBay often are. This one is equivalent to a \u003cem\u003eGS CMX356-44\u003c\/em\u003e. Pretty much all Rocket crystals require some light filing \/ sanding for proper fit. I can supply just about any size Watch Crystal you need (acrylic or glass) so feel free to inquire. I specialize in hard to find watch parts and all watch parts are unconditionally guaranteed. Free shipping in the continental US on most all fancy acrylic crystals. Images do an adequate job of representing the item.\u003c\/p\u003e","brand":"SUC","offers":[{"title":"Default Title","offer_id":48981512585524,"sku":"CPC-SUCRMC1047B-12","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/3341\/1124\/files\/2025-12-1920.21.48.jpg?v=1766205113","url":"https:\/\/www.vintagetimeparts.com\/products\/suc-rocket-crystal-rmc-104-7b-for-gruen-case-425-592-23-0-x-21-2mm-new","provider":"Vintage Time Parts","version":"1.0","type":"link"}