TWSBI Diamond 580 Fountain Pen / ALR Navy Blue
TWSBI · sold by The Gentleman Stationer · $72.99 · in stock

TWSBI’s ever-popular Diamond 580 ALR now comes in a navy blue anodized finish. The “Navy Blue” model features an aluminum machined grip, connector, and piston rod. The pen has the same combination of matte finish and texture as the Diamond 580 ALR Brushed Nickel. The TWSBI Diamond 580 is TWSBI’s classic fountain pen featuring a piston ink-filling system and swappable nib units. By fusing the traditional mechanisms of the fountain pen with a modern industrial design, TWSBI has created an eye-catching fountain pen that is simultaneously appreciative of the past and relevant in the present. The…
| Option | Price | Stock | |
|---|---|---|---|
| Extra Fine | $72.99 | in stock | Buy at The Gentleman Stationer → |
| Fine | $72.99 | in stock | Buy at The Gentleman Stationer → |
| Medium | $72.99 | in stock | Buy at The Gentleman Stationer → |
| Broad | $72.99 | in stock | Buy at The Gentleman Stationer → |
| 1.1mm Stub | $72.99 | out of stock |
Prices and stock from shop.gentlemanstationer.com’s public catalog, last checked 2026-11-01 08:05 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:50c2bd8f-da4e-450e-bfbf-93bf66d168aa; buy with POST /v1/checkout or MCP create_checkout.