TWSBI Diamond 580ALR Navy Blue Special Edition is an addition of the 580AL series.
The TWSBI Diamond 580ALR has an internal piston filling mechanism and a translucent body that allows you to see the ink colour and the remaining ink level.
TWSBI Diamond 580ALR Navy Blue Special fountain pen has a matt finish navy blue(visibly textured) & aluminum grip section.
The TWSBI Diamond 580ALR Fountain pen is a classic fountain pen with a piston ink-filling mechanism, a smooth-writing steel nib, a screw-on cap with an interior cap to keep ink from drying out. The cap does not post on the barrel while writing.
Instructions and silicone grease are also included for the maintenance of the pen.
Nib is Stainless Steel and the pen weighs 28g.