Limited Edition - only 1,500 pieces worldwide

The Platinum Biso Fountain Pen marks a new chapter in refined Japanese writing culture. The name “Biso” is derived from the Japanese words bi (beauty) and so (harmony) - an expression of balance, calmness, and personal creativity.

This fountain pen is designed as an elegant companion for both everyday writing and moments of reflection. Its slim, lightweight form fits comfortably in the hand, offering a smooth and effortless writing experience that conveys precision and serenity.

The Sparkle Mint edition features a pearlescent finish that subtly shifts in tone under different lighting. Its minimalist design reflects Japanese aesthetics of simplicity and refinement, while the gold-plated stainless-steel nib glides smoothly across the page.

• Limited Edition - only 1,500 pieces worldwide
• Lightweight and slim design - comfortable for extended writing
• Pearlescent resin - delicate color shifts under varying light
• Gold-plated stainless-steel nib - smooth and precise writing performance
• Includes Platinum Blue-Black cartridge - converter available separately

A perfectly balanced fountain pen that unites simplicity, harmony, and beauty.

Specifications

Type: Luxury fountain pen
Body color: Sparkle Mint
Nib size: Make your choice
Nib material: Gold-plated stainless steel
Refillable: Yes, with cartridges or converter (see ‘Recommended refills’)