Diplomat Aero Rollerball - Pure Black (Limited Edition) Leuchtturm1917 Crazy Horse Ocean BlueOcean blue

Crazy Horse Ocean BlueOcean blue color has tones between rich blue and teal

Colorverse ink undergoes hydration and antibacterial treatments

Designed and assembled in-house at the OHTO Yuki Factory

The colour will gradually brighten to a true indigo with use

Diplomat Aero Rollerball - Pure Black (Limited Edition) Leuchtturm1917 Crazy Horse Ocean BlueOcean blueDiscover bold minimalism with the Diplomat Aero Pure Black Rollerball Special Edition, an exclusive one time release designed for those who appreciate refined design and exceptional craftsmanship. Created by Diplomat, this striking collection is produced only once based on pre orders, ensuring true exclusivity across fountain pen, rollerball, ballpoint, and mechanical pencil versions. A Radical Monochrome Design The Diplomat Aero Pure Black stands out