{"product_id":"platinum-3776-century-black-diamond-fountain-pen","title":"Platinum 3776 Century Fountain Pen - Black Diamond","description":"\u003ch2 data-start=\"171\" data-end=\"228\"\u003e\u003cstrong data-start=\"174\" data-end=\"228\"\u003ePlatinum 3776 Century Fountain Pen – Black Diamond\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"230\" data-end=\"708\"\u003eThe Platinum 3776 Century \u003cem data-start=\"256\" data-end=\"271\"\u003eBlack Diamond\u003c\/em\u003e is a bold, modern interpretation of Platinum’s classic design, blending sleek transparency with refined metallic accents. The pen features a \u003cstrong data-start=\"413\" data-end=\"461\"\u003esmoke-black translucent resin barrel and cap\u003c\/strong\u003e, allowing subtle visibility of the inner components while maintaining a dark, sophisticated appearance. Polished \u003cstrong data-start=\"575\" data-end=\"598\"\u003erhodium-plated trim\u003c\/strong\u003e adds a cool, contemporary contrast, giving the Black Diamond a distinctly modern edge within the 3776 lineup.\u003c\/p\u003e\n\u003cp data-start=\"710\" data-end=\"1177\"\u003eAt the core of the pen is Platinum’s renowned \u003cstrong data-start=\"756\" data-end=\"787\"\u003e14K rhodium-plated gold nib\u003c\/strong\u003e, engineered for precision, consistency, and long-term reliability. The nib delivers Platinum’s signature writing feel — smooth with controlled, deliberate feedback — making it ideal for writers who appreciate clarity, structure, and exactness in their writing. Whether used for journaling, note-taking, or professional correspondence, the 3776 Century performs with confidence and control.\u003c\/p\u003e\n\u003cp data-start=\"1179\" data-end=\"1604\"\u003eThe pen is equipped with Platinum’s innovative \u003cstrong data-start=\"1226\" data-end=\"1255\"\u003eSlip \u0026amp; Seal cap mechanism\u003c\/strong\u003e, designed to prevent ink from drying out even after extended periods of non-use. Filling is handled via Platinum’s \u003cstrong data-start=\"1371\" data-end=\"1401\"\u003ecartridge\/converter system\u003c\/strong\u003e (converter included), offering flexibility while preserving Platinum’s airtight engineering standards. Balanced and lightweight, the Black Diamond is a versatile everyday writer with a modern aesthetic.\u003c\/p\u003e\n\u003chr data-start=\"1606\" data-end=\"1609\"\u003e\n\u003ch3 data-start=\"1611\" data-end=\"1631\"\u003e\u003cstrong data-start=\"1615\" data-end=\"1631\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1632\" data-end=\"2125\"\u003e\n\u003cli data-start=\"1632\" data-end=\"1724\"\u003e\n\u003cp data-start=\"1634\" data-end=\"1724\"\u003e\u003cstrong data-start=\"1634\" data-end=\"1667\"\u003eSmoke-black translucent resin\u003c\/strong\u003e barrel and cap — sleek, modern, and subtly transparent\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1725\" data-end=\"1807\"\u003e\n\u003cp data-start=\"1727\" data-end=\"1807\"\u003ePolished \u003cstrong data-start=\"1736\" data-end=\"1771\"\u003erhodium-plated trim and accents\u003c\/strong\u003e — cool-toned, contemporary finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1808\" data-end=\"1885\"\u003e\n\u003cp data-start=\"1810\" data-end=\"1885\"\u003e\u003cstrong data-start=\"1810\" data-end=\"1841\"\u003e14K rhodium-plated gold nib\u003c\/strong\u003e — smooth, precise, and lightly feedbacked\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1886\" data-end=\"1976\"\u003e\n\u003cp data-start=\"1888\" data-end=\"1976\"\u003ePlatinum’s \u003cstrong data-start=\"1899\" data-end=\"1925\"\u003eSlip \u0026amp; Seal cap system\u003c\/strong\u003e — prevents ink dry-out for long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1977\" data-end=\"2040\"\u003e\n\u003cp data-start=\"1979\" data-end=\"2040\"\u003e\u003cstrong data-start=\"1979\" data-end=\"2017\"\u003eCartridge\/converter filling system\u003c\/strong\u003e (converter included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2041\" data-end=\"2125\"\u003e\n\u003cp data-start=\"2043\" data-end=\"2125\"\u003eLightweight, balanced 3776 Century profile — ideal for extended writing sessions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"0\" data-end=\"233\"\u003e \u003c\/p\u003e\n\u003chr data-start=\"235\" data-end=\"238\"\u003e\n\u003ch3 data-start=\"240\" data-end=\"270\"\u003e\u003cstrong data-start=\"244\" data-end=\"270\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"271\" data-end=\"609\"\u003e\n\u003cli data-start=\"271\" data-end=\"311\"\u003e\n\u003cp data-start=\"273\" data-end=\"311\"\u003e\u003cstrong data-start=\"273\" data-end=\"291\"\u003eCapped Length:\u003c\/strong\u003e 5.5 in (139.7 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"312\" data-end=\"354\"\u003e\n\u003cp data-start=\"314\" data-end=\"354\"\u003e\u003cstrong data-start=\"314\" data-end=\"332\"\u003ePosted Length:\u003c\/strong\u003e 6.125 in (155.6 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"355\" data-end=\"397\"\u003e\n\u003cp data-start=\"357\" data-end=\"397\"\u003e\u003cstrong data-start=\"357\" data-end=\"376\"\u003eLength of Body:\u003c\/strong\u003e 4.75 in (120.7 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"398\" data-end=\"437\"\u003e\n\u003cp data-start=\"400\" data-end=\"437\"\u003e\u003cstrong data-start=\"400\" data-end=\"418\"\u003eLength of Cap:\u003c\/strong\u003e 2.6 in (66.0 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"438\" data-end=\"480\"\u003e\n\u003cp data-start=\"440\" data-end=\"480\"\u003e\u003cstrong data-start=\"440\" data-end=\"461\"\u003eDiameter of Body:\u003c\/strong\u003e 0.5 in (12.7 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"481\" data-end=\"524\"\u003e\n\u003cp data-start=\"483\" data-end=\"524\"\u003e\u003cstrong data-start=\"483\" data-end=\"503\"\u003eDiameter of Cap:\u003c\/strong\u003e 0.625 in (15.9 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"525\" data-end=\"575\"\u003e\n\u003cp data-start=\"527\" data-end=\"575\"\u003e\u003cstrong data-start=\"527\" data-end=\"556\"\u003eDiameter of Grip Section:\u003c\/strong\u003e 0.39 in (9.9 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"576\" data-end=\"609\"\u003e\n\u003cp data-start=\"578\" data-end=\"609\"\u003e\u003cstrong data-start=\"578\" data-end=\"589\"\u003eWeight:\u003c\/strong\u003e 0.72 oz (20.41 g)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"611\" data-end=\"628\"\u003e\u003cstrong data-start=\"615\" data-end=\"628\"\u003eMaterials\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"629\" data-end=\"744\"\u003e\n\u003cli data-start=\"629\" data-end=\"657\"\u003e\n\u003cp data-start=\"631\" data-end=\"657\"\u003e\u003cstrong data-start=\"631\" data-end=\"649\"\u003eBody Material:\u003c\/strong\u003e Resin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"658\" data-end=\"689\"\u003e\n\u003cp data-start=\"660\" data-end=\"689\"\u003e\u003cstrong data-start=\"660\" data-end=\"681\"\u003eSection Material:\u003c\/strong\u003e Resin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"690\" data-end=\"717\"\u003e\n\u003cp data-start=\"692\" data-end=\"717\"\u003e\u003cstrong data-start=\"692\" data-end=\"701\"\u003eTrim:\u003c\/strong\u003e Chrome plated\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"718\" data-end=\"744\"\u003e\n\u003cp data-start=\"720\" data-end=\"744\"\u003e\u003cstrong data-start=\"720\" data-end=\"737\"\u003eNib Material:\u003c\/strong\u003e Gold\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"746\" data-end=\"776\"\u003e\u003cstrong data-start=\"750\" data-end=\"776\"\u003eFilling \u0026amp; Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"777\" data-end=\"1012\"\u003e\n\u003cli data-start=\"777\" data-end=\"820\"\u003e\n\u003cp data-start=\"779\" data-end=\"820\"\u003e\u003cstrong data-start=\"779\" data-end=\"798\"\u003eFilling System:\u003c\/strong\u003e Cartridge\/Converter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"821\" data-end=\"856\"\u003e\n\u003cp data-start=\"823\" data-end=\"856\"\u003e\u003cstrong data-start=\"823\" data-end=\"842\"\u003eCartridge Type:\u003c\/strong\u003e Proprietary\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"857\" data-end=\"883\"\u003e\n\u003cp data-start=\"859\" data-end=\"883\"\u003e\u003cstrong data-start=\"859\" data-end=\"872\"\u003eCap Type:\u003c\/strong\u003e Threaded\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"884\" data-end=\"931\"\u003e\n\u003cp data-start=\"886\" data-end=\"931\"\u003e\u003cstrong data-start=\"886\" data-end=\"904\"\u003eCap Rotations:\u003c\/strong\u003e Approximately 1.75 turns\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"932\" data-end=\"953\"\u003e\n\u003cp data-start=\"934\" data-end=\"953\"\u003e\u003cstrong data-start=\"934\" data-end=\"947\"\u003ePostable:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"954\" data-end=\"979\"\u003e\n\u003cp data-start=\"956\" data-end=\"979\"\u003e\u003cstrong data-start=\"956\" data-end=\"973\"\u003eDemonstrator:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"980\" data-end=\"1012\"\u003e\n\u003cp data-start=\"982\" data-end=\"1012\"\u003e\u003cstrong data-start=\"982\" data-end=\"997\"\u003eClip Style:\u003c\/strong\u003e Spring metal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Platinum","offers":[{"title":"Ultra Extra Fine","offer_id":39893658402850,"sku":"PNB-18000CR #7 UEF","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Extra Fine","offer_id":39893658435618,"sku":"PNB-18000CR #7 EF","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":39893658468386,"sku":"PNB-18000CR #7 F","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Soft Fine","offer_id":39893658501154,"sku":"PNB-18000CR #7 SF","price":368.0,"currency_code":"USD","in_stock":false},{"title":"Medium","offer_id":39893658533922,"sku":"PNB-18000CR #7 M","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":39893658566690,"sku":"PNB-18000CR #7 B","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Coarse","offer_id":39893658599458,"sku":"PNB-18000CR #7 C","price":368.0,"currency_code":"USD","in_stock":true},{"title":"Music","offer_id":52816814539027,"sku":"PNB-18000CR #7 MU","price":472.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2083\/6627\/files\/platinum-3776-century-fountain-pen-black-diamond.jpg?v=1766594973","url":"https:\/\/www.truphaeinc.mom\/products\/platinum-3776-century-black-diamond-fountain-pen","provider":"Truphae","version":"1.0","type":"link"}