Platinum Curidas PKN-7000 Retractable Fountain Pen

Platinum Curidas PKN-7000: The Retractable Fountain Pen Built for Everyday Carry

The Platinum Curidas PKN-7000 is a cap-less fountain pen from Platinum Pen Japan, the maker behind the legendary Platinum #3776. Curidas uses a one-hand retractable mechanism, so you click it open and closed like a rollerball, no cap to lose or twist off. Inside, Platinum's proprietary slip-and-seal system keeps the nib sealed airtight when retracted, so the ink stays wet and ready to write even after a year of sitting uncapped.

Why Writers Choose the Curidas

• Instant, one-hand writing: Push the top to deploy the nib and start writing immediately, no cap to remove or misplace.
• Up to a year of skip-free starts: The internal slip-and-seal mechanism locks in moisture, so the pen writes on the first stroke even after long periods unused.
• Durable, lightweight body: A shock-resistant resin barrel with a soft-touch matte finish stands up to daily bag-and-briefcase carry.
• Smooth stainless steel nib: A fine nib delivers consistent, reliable ink flow for note-taking, journaling, and everyday writing.
• Cartridge/converter filling: Compatible with Platinum proprietary cartridges and converters for easy refills.

Specifications

• Brand: Platinum Pen (Japan)
• Model: PKN-7000 Curidas
• Mechanism: One-hand retractable, cap-less
• Nib material: Stainless steel
• Filling system: Cartridge / converter
• Body material: Resin
• Origin: Made in Japan

Frequently Asked Questions

Does the Curidas dry out when left uncapped?

No. Platinum's slip-and-seal mechanism seals the nib airtight when retracted, keeping ink usable for up to a year without capping.

What ink filling system does the Curidas use?

It fills with Platinum proprietary ink cartridges or a compatible converter for use with bottled ink.

Is the Curidas suitable for daily use and travel?

Yes. The retractable, cap-less design and durable resin body make it well suited to everyday carry, note-taking, and travel.

What nib sizes are available?

The Curidas is commonly available with a fine steel nib, offering smooth, consistent everyday writing performance.