Nagasawa Aqua Planet Pro Gear fountain pen

The Aqua Planet fountain pen celebrates our world's most defining feature—the vast oceans that have sustained life for billions of years. Inspired by Earth's beauty as a water planet, this limited edition model from Kobe Nagasawa combines thoughtful design with exceptional craftsmanship. The body features a refreshing morning-sea blue, while the cap captures the calm of the night ocean. Built on Sailor's renowned Pro Gear platform, this pen is engineered for daily writing and lasting performance. The nib is engraved with Kobe's iconic weather vane motif, honoring the port city's rich cultural heritage and global connections. More than a writing instrument, the Aqua Planet is designed to be your lifelong companion—a reminder of our planet's precious waters and our shared responsibility to preserve them.