Pilot Custom 823 Fountain pen – Demo Clear

Read Blog by Laura Petix on this!

The Pilot Custom 823 Fountain Pen Demo Clear is one of the most iconic demonstrator fountain pens in the world. Featuring a fully transparent body and Pilots renowned vacuum filling system, this premium writing instrument combines engineering precision with elegant design.

Designed for serious writers and collectors, the Custom 823 Clear offers exceptional ink capacity, smooth gold nib performance, and a captivating view of your ink in motion.

Fully Transparent Demonstrator Design

The Demo Clear version showcases:

• Crystal-clear resin body and cap

• Visible ink reservoir

• Clean, modern aesthetic

• Professional yet eye-catching appearance

Unlike tinted demonstrators, the Clear model provides a full view of the internal mechanism and ink level, making it especially popular among fountain pen enthusiasts.

Advanced Vacuum Filling System 1.5ml Ink Capacity

The Pilot Custom 823 uses a plunger-style vacuum filling system that fills the barrel in one smooth motion.

With an approximate 1.5ml ink capacity, it holds significantly more ink than standard cartridge/converter fountain pens.

Benefits include:

• Fewer refills

• Ideal for long writing sessions

• Excellent for journaling and professional use

• Smooth, consistent ink delivery

For extended writing sessions, simply unscrew the blind cap slightly to allow continuous ink flow.

14K Gold Nib Smooth & Reliable

Each Custom 823 Demo Clear features a precision-crafted 14-karat gold nib, available in:

• Fine (F)

• Medium (M)

• Broad (B)

Pilot nibs are known worldwide for:

• Exceptional smoothness

• Reliable flow control

• Consistent performance

• Balanced line variation

This makes the 823 suitable for daily writing, signatures, journaling, and professional settings.

Premium Packaging

The pen arrives in an elegant Pilot gift box and includes:

• 70ml bottle of Pilot Blue fountain pen ink

• Official Pilot presentation packaging

Perfect for gifting or adding to a premium fountain pen collection.

Technical Specifications

• Filling System: Vacuum plunger

• Ink Capacity: Approx. 1.5ml

• Nib Material: 14K Gold

• Nib Sizes: Fine, Medium, Broad

• Body Material: Transparent resin

• Includes: 70ml Pilot Blue ink bottle

Why the Pilot Custom 823 Demo Clear Is So Popular

The Custom 823 consistently ranks among the best vacuum filling fountain pens because of:

• Large ink capacity

• Legendary Japanese craftsmanship

• Elegant demonstrator design

• Long-term durability

• Smooth gold nib performance

For many writers, it becomes a lifelong companion.