{"product_id":"2-5mm-flat-bottom-domed-mineral-watch-crystal-23-50mm-repair-glass-replacement","title":"2.5mm Flat Bottom Domed Mineral Watch Crystal 23-50mm Repair Glass Replacement","description":"\u003cp\u003eReplacement domed mineral glass watch crystal (D-Type) with a flat base and domed top profile. Edge thickness is 2.5mm; note the dome centre will measure approximately 3.5mm at its highest point. Available in diameters from 15mm to 50mm in 0.5mm increments — measure your original crystal or bezel opening carefully before ordering.\u003c\/p\u003e \u003cp\u003eSpecifications\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Single-dome mineral glass (D-Type \/ DMG)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Flat base, domed top — minor magnification effect when installed\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEdge thickness:\u003c\/strong\u003e 2.5mm (dome centre approx. 3.5mm)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter range:\u003c\/strong\u003e 15mm to 50mm, available in 0.5mm increments\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished, bevelled top edge\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Hardened mineral glass\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCountry of manufacture:\u003c\/strong\u003e Germany\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 crystal per order\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eCompatibility\u003c\/p\u003e \u003cp\u003eFit is determined entirely by \u003cstrong\u003ediameter\u003c\/strong\u003e. Measure your original crystal or the inner bezel opening, then select the matching size. These crystals are compatible with any watch whose case takes a round crystal in the 15–50mm diameter range. Confirmed compatible families include:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSeiko\u003c\/strong\u003e — including SNK801, SNK803, SNK805, SNK809, Cocktail Time, Presage; also widely used as Hardlex-equivalent replacements on vintage Seiko divers and pilot models\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOrient\u003c\/strong\u003e — including Bambino\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCitizen, Bulova, Tissot, Hamilton, Fossil, Lorus, Yema (Rallygraf)\u003c\/strong\u003e — where original crystal diameter matches selected size\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDivers' watches (general)\u003c\/strong\u003e — 2.5mm mineral glass is a standard waterproofing-grade thickness; can be glued or gasket press-fitted depending on case design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanerai non-date models\u003c\/strong\u003e — D-Type domed flat-base crystals are specifically cited as a fit for this family by specialist UK horological suppliers; select diameter to match your reference\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAccurist Skymaster models\u003c\/strong\u003e — explicitly confirmed compatible with D-Type domed flat-base crystals\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e Diameter available in 0.5mm increments only (not 0.1mm). Measure carefully. The 2.5mm edge thickness is taller than many OEM crystals — this is normal for service replacements and does not affect fitment in most cases.\u003c\/p\u003e \u003cp\u003eInstallation Notes\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCan be installed by gluing into the case or by press-fitting into a crystal gasket (I-gasket)\u003c\/li\u003e \u003cli\u003eFlat base seats evenly; domed top provides the classic period-correct profile\u003c\/li\u003e \u003cli\u003eIf you are unsure of your crystal size, measure the inner diameter of the crystal seat in the case at the base of the bezel, not the outside of the case\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eDispatched from the UK. Please check diameter carefully before purchasing — returns accepted if item is unused and in original condition.\u003c\/p\u003e","brand":"Red 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