TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a white background

TWSBI Diamond 580ALR Piston Filler Fountain Pen – Prussian Blue

EF
$56.88
$56.88 $72.00
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TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue, showing the cap and body on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue, showing the body on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue, showing the body on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a reflective surface with a notebook.
  • Close up of TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a textured surface
  • TWSBI ink bottle with TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a light gray background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue, showing the cap and body on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue, showing the body on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue, showing the body on a white background
  • TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a reflective surface with a notebook.
  • Close up of TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a textured surface
  • TWSBI ink bottle with TWSBI Diamond 580ALR Fountain Pen – Prussian Blue on a light gray background
TWSBI Diamond 580ALR Piston Filler Fountain Pen – Prussian Blue

TWSBI Diamond 580ALR Piston Filler Fountain Pen – Prussian Blue

$56.88
$56.88 $72.00
Nib Size
  • Edition: Prussian Blue — Matte anodized aluminum finish with a subtle, professional tone
  • Grip Section: "ALR" Ribbed Aluminum — Textured matte grip for superior control and comfort
  • Filling Mechanism: Piston Filler — Internal piston draws ink directly into the barrel (approx. 1.9ml capacity)
  • Nib: Stainless Steel — Precision Jowo nib (Silver finish) for smooth writing
  • Body: Diamond Faceted — Crystal clear resin barrel catches the light and shows off the ink
  • Maintenance: Fully Serviceable — Includes wrench and silicone grease for home disassembly
  • Dimensions: 142 mm capped, 27g weight — Perfectly balanced design featuring lightweight machined aluminum internals
  • Origin: Made in Taiwan — Precision engineered for durability

About the TWSBI Diamond 580ALR Piston Filler Fountain Pen – Prussian Blue

The TWSBI Diamond 580ALR Piston Filler Fountain Pen – Prussian Blue takes the classic Diamond 580 design and upgrades it with premium materials for the serious writer. While retaining the famous diamond-faceted barrel, this "ALR" version replaces standard plastic components with durable machined aluminum.

The standout feature of this model is the ribbed aluminum grip section. Unlike smooth plastic pens that can become slippery during long writing sessions, the matte textured finish provides a secure, tactile hold for superior control. The matching Prussian Blue aluminum piston mechanism and cap band give the pen a cohesive, understated elegance.

Ideally suited for bottled ink enthusiasts, it features a high-capacity piston filling mechanism that holds approximately 1.9ml of ink—nearly 3x the capacity of a standard converter. The clear body lets you see your ink level at a glance, turning the liquid inside into a visual part of the pen's design.

True to TWSBI’s philosophy, the pen arrives in a presentation box with a wrench and silicone grease, giving you the freedom to disassemble and maintain your tool for years of reliable use.

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