{"product_id":"3mm-domed-mineral-flat-bottom-watch-crystal-27-50mm-repair-glass-replacement","title":"3mm Domed Mineral Flat Bottom Watch Crystal 27-50mm Repair Glass Replacement","description":"\u003cp\u003eAbout This Crystal\u003c\/p\u003e\u003cp\u003eA round, 3mm thick single-dome mineral glass watch crystal with a flat bottom and domed top. The polished\/bevelled top edge gives a clean, finished appearance. Supplied individually as a direct replacement for worn, scratched, or cracked watch crystals.\u003c\/p\u003e\u003cp\u003eThese crystals are sold as a \u003cstrong\u003egeneric\/universal replacement\u003c\/strong\u003e — the correct fit is determined entirely by diameter. Measure your existing crystal or case aperture carefully before ordering.\u003c\/p\u003e\u003cp\u003eSpecifications\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Mineral glass (heat-treated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Single dome — domed top, flat bottom\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge thickness:\u003c\/strong\u003e 3mm (a robust, diver-grade thickness — approximately triple standard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdge finish:\u003c\/strong\u003e Polished \/ bevelled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable diameters:\u003c\/strong\u003e 27mm to 50mm in 0.5mm increments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e Germany\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Clear (mineral glass may show a slight green\/blue tint at the edge — normal for this material)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 crystal per listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThicknesses Available\u003c\/p\u003e\u003cp\u003eThis listing is for the \u003cstrong\u003e3mm edge thickness\u003c\/strong\u003e version. We also stock the same crystal in 1mm, 1.5mm, 2mm, and 2.5mm edge thicknesses — please see our other listings.\u003c\/p\u003e\u003cp\u003eCompatibility\u003c\/p\u003e\u003cp\u003eThis is a universal crystal blank. It is compatible with any round watch case that accepts a glue-in or gasket press-fit crystal, provided the diameter matches. General compatibility includes:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFossil, Diesel, Guess, Michael Kors, Kenneth Cole, Tommy Bahama, Relic, Christian Bernard — domed 3mm mineral crystals are standard trade replacements for these brands\u003c\/li\u003e\n\u003cli\u003eDiver and waterproof watches generally — 3mm thickness (triple standard) makes this crystal well-suited to water-resistant applications\u003c\/li\u003e\n\u003cli\u003eVintage and modern dress watches accepting a single-dome profile\u003c\/li\u003e\n\u003cli\u003eSeiko, Citizen, Bulova, Orient, Hamilton, Tissot, Omega — compatibility is possible where the diameter matches; a brand-specific or OEM crystal may also be available for these marques\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant — diameter is the binding dimension.\u003c\/strong\u003e Measure your existing crystal diameter with a digital calliper. If fitting to a gasket, order approximately 0.1mm larger than your gasket measurement. Crystals are available in 0.5mm diameter steps (15mm to 50mm) — if your watch requires a size between two increments, consider whether the next size up with a gasket will suit.\u003c\/p\u003e\u003cp\u003eInstallation Notes\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCan be glued in (with watch crystal cement) or press-fitted into a case that has a crystal gasket\/retaining ring\u003c\/li\u003e\n\u003cli\u003eA crystal press is recommended for gasket-fit installations\u003c\/li\u003e\n\u003cli\u003eThe flat bottom provides good hand clearance; the dome top gives a subtle magnification effect on the dial\u003c\/li\u003e\n\u003cli\u003e3mm thickness is noticeably taller than a standard OEM crystal on most everyday watches — visually appropriate for divers and sport watches; check against your bezel profile for dress watches\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDispatched from the UK. Please see our store policies for postage and returns information.\u003c\/p\u003e","brand":"Red Rooster","offers":[{"title":"27mm","offer_id":60040912765262,"sku":"DF3MMCMH270","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"27.5mm","offer_id":60040912798030,"sku":"DF3MMCMH275","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"28mm","offer_id":60040912830798,"sku":"DF3MMCMH280","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"28.5mm","offer_id":60040912863566,"sku":"DF3MMCMH285","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"29mm","offer_id":60040912896334,"sku":"DF3MMCMH290","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"29.5mm","offer_id":60040912929102,"sku":"DF3MMCMH295","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"30mm","offer_id":60040912961870,"sku":"DF3MMCMH300","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"30.5mm","offer_id":60040912994638,"sku":"DF3MMCMH305","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"31mm","offer_id":60040913027406,"sku":"DF3MMCMH310","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"31.5mm","offer_id":60040913060174,"sku":"DF3MMCMH315","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"32mm","offer_id":60040913092942,"sku":"DF3MMCMH320","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"32.5mm","offer_id":60040913125710,"sku":"DF3MMCMH325","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"33mm","offer_id":60040913158478,"sku":"DF3MMCMH330","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"33.5mm","offer_id":60040913191246,"sku":"DF3MMCMH335","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"34mm","offer_id":60040913224014,"sku":"DF3MMCMH340","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"34.5mm","offer_id":60040913256782,"sku":"DF3MMCMH345","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"35mm","offer_id":60040913289550,"sku":"DF3MMCMH350","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"35.5mm","offer_id":60040913322318,"sku":"DF3MMCMH355","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"36mm","offer_id":60040913355086,"sku":"DF3MMCMH360","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"36.5mm","offer_id":60040913387854,"sku":"DF3MMCMH365","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"37mm","offer_id":60040913420622,"sku":"DF3MMCMH370","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"37.5mm","offer_id":60040913453390,"sku":"DF3MMCMH375","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"38mm","offer_id":60040913486158,"sku":"DF3MMCMH380","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"38.5mm","offer_id":60040913518926,"sku":"DF3MMCMH385","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"39mm","offer_id":60040913551694,"sku":"DF3MMCMH390","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"39.5mm","offer_id":60040913584462,"sku":"DF3MMCMH395","price":15.95,"currency_code":"GBP","in_stock":true},{"title":"40mm","offer_id":60040913617230,"sku":"DF3MMCMH400","price":15.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/3879\/7646\/files\/1_2bcb7402-cf63-4fd9-b1df-0bc46cdfc986.png?v=1783121630","url":"https:\/\/redroosteruk.co.uk\/products\/3mm-domed-mineral-flat-bottom-watch-crystal-27-50mm-repair-glass-replacement","provider":"Redroosteruk","version":"1.0","type":"link"}