TWSBI Diamond 580ALR Fountain Pen – Caribbean Onyx

The TWSBI Diamond 580ALR Fountain Pen – Caribbean Onyx combines a vibrant turquoise colourway with the practical engineering of the Diamond 580ALR series. Its transparent resin body showcases the ink inside, while the turquoise accents create a fresh, contemporary appearance complemented by distinctive PVD-finished trims.

Designed for everyday writing, the Diamond 580ALR features a stainless steel nib and an integrated piston-filling mechanism with a generous 1.98 ml ink capacity. The clear barrel allows you to monitor the remaining ink level, while the screw cap helps protect the nib between writing sessions.

With its balanced construction, striking clear-and-turquoise finish and choice of five nib sizes, the Caribbean Onyx is an appealing fountain pen for journaling, note-taking, professional writing and personal correspondence.

Key Features

• Caribbean Onyx Colourway: A striking combination of transparent resin and turquoise accents.

• Transparent Demonstrator Body: Lets you view the ink level inside the barrel.

• Stainless Steel Nib: Available in Extra Fine, Fine, Medium, Broad and Stub 1.1.

• Piston-Filling Mechanism: Allows direct filling from bottled ink without a separate converter.

• 1.98 ml Ink Capacity: Provides generous ink storage for extended writing.

• PVD-Finished Trims: Adds a distinctive finish to the pen's design.

• Screw-Cap Design: Helps protect the nib when the pen is not in use.

• International Warranty: Supplied in original brand packaging with an international warranty card.