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The Platinum Curidas Sphene Fountain Pen is celebrates the 60th anniversary of Platinum’s first knock-type fountain pen from 1965. This limited edition blends heritage and modernity, with a design inspired by the charm of gemstones. The Sphene color showcases a vivid green shade with an iridescent pearl finish that shifts with light and angle, creating a natural and dynamic effect. Every detail is designed for writing comfort: the elongated stainless steel nib ensures excellent visibility on the page, while the compact clip allows a flexible, natural grip. Thanks to the retractable system, the pen is always ready to write, eliminating the need for a cap and allowing you to open and close it with one hand. A special airtight structure keeps the nib sealed, preventing ink evaporation and maintaining a smooth flow even after long pauses. The Curidas Sphene fills with Platinum proprietary cartridges or converter. Limited to just 3,000 pieces worldwide, this model is a true collector’s item and a perfect tool for writing enthusiasts.
In 1919, Shunichi Nakata, started his fountain pen business that would later be known as Platinum Fountain Pen Co. The Japanese brand is closely related to the legendary Nakaya fountain pen brand, where some of the finest fountain pens in the world are created. This expertise also goes into Platinum's own line of fine writing instruments.
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| Condition | New |
| Brand | Platinum |
| Brand Origin | Japan |
| Product Code | PKN900041F, PKN900041M |
| Type | Fountain Pen |
| Brand Colour | Sphene |
| Colour | Green |
| Body Material | Resin |
| Mechanism | Retractable |
| Cap Type | No Cap |
| Compatible Converter | Proprietory Converter |
| Filling Mechanism | Cartridge / Converter (Included) |
| Grip Material | Resin |
| Nib Size | Fine, Medium |
| Nib Colour | Silver |
| Nib Material | Steel |
| Postable | No |
| Trim | Chrome Plated |
| Diameter (MM) | 13.8 |
| Length - Closed (MM) | 153 |
| Weight (gms) | 24 |
| Warranty Info | 1 Year warranty Valid against manufacturing defect only |
| Package Content | 1 Fountain pen, 1 Cartridge, 1 Converter comes with a Platinum exclusive box. |
Amazing build quality and color!
Excellent pen
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