Platinum Biso Fountain Pen | Sparkle Mint Green

The Platinum Biso Fountain Pen is a stylish writing instrument designed by the Japanese company Platinum, known for its high-precision craftsmanship. The name "Biso" symbolizes beauty and harmony – reflecting the pen's purpose: to help you write beautifully and with inner balance.

The Sparkle Mint Green GT (Gold Trim) version features a body crafted from lightweight, slim pearl resin in a delicate mint green color that subtly changes with light and angle, complemented by gold-plated trim .

Perfectly balanced for both everyday writing and special occasions, this pen inspires self-expression . Compared to the Platinum #3776 Century model, the Biso is noticeably lighter and slimmer , allowing for longer, more comfortable writing.

Key Features

• Design: Lightweight Mint Green pearl resin body with a subtle sheen and gold trim .

• Nib: Equipped with a reliable, gold-plated stainless steel nib that ensures smooth and consistent ink flow. Available in two popular thicknesses:

  • Fine (F)

  • Medium (M)

• Grip: Slim and ergonomic for comfortable, extended writing.

• Filling System: Compatible with Platinum brand ink cartridges and converters .

• Made in Japan – precision craftsmanship and timeless design.

Product details:

• Material: Stainless steel, resin
• Weight: 18 grams
• Closed pen length: 138mm
• Pen diameter: 13mm