Timeless PLATINUM Curidas Prizma Kryształ pen, EF. The Curidas pen from the Japanese brand Platinum significantly differs from traditional pens. The name Curidas comes from the Japanese word Kuridasu, meaning mechanism extension, and Curiosity. This new pen is designed to satisfy users' curiosity. The metal ink push mechanism is very convenient, allowing immediate use without the need to remove the cap. With another click, the ink is stored, and the specially designed soft material casing ensures airtight protection. The elegant clip can easily be removed without causing any discomfort while writing. The transparent resin allows visual tracking of the pen's interior. The Curidas is perfect for users who appreciate innovative technologies. The pen comes in a stylish corporate box and includes a refillable ink cartridge.