Sailor Ebonite Eternal Flow Fountain Pen
The Sailor Ebonite Eternal Flow Fountain Pen pairs deeply engraved navy-blue ebonite with a silver-coloured gold nib. Inspired by the continuing movement of ocean waves, its design brings texture into the writing experience. It will appeal to writers who enjoy a substantial pen and value how the material feels in the hand as much as how the nib responds on paper.
Concept and design: waves shaped into ebonite
The barrel and cap feature deep, mechanically engraved waves. Rather than placing a pattern on an otherwise smooth surface, the engraving creates a relief that you can explore with your fingertips. The dark navy colour gives the pattern its oceanic character, while the flowing curves make texture an integral part of the design.
The grooves also serve a practical purpose: they are designed to guide your fingers into a stable hold and encourage a grip without excessive pressure. The sculpted surface connects the wave pattern with the act of writing, inviting you to enjoy the texture beneath your fingers as you move across the page.
A large 14K gold nib with a firm response
The large 14K gold nib with rhodium plating combines firmness and resilience. Its silver-coloured finish contrasts with the deep navy ebonite, bringing a bright accent to the pen's ocean-inspired design.
Filling system and everyday use
The Eternal Flow accepts Sailor cartridges or a Sailor converter. Cartridges provide a straightforward replacement when the ink runs out, while a converter allows you to fill from a bottle. Browse the Sailor fountain pen ink collection to choose a colour for correspondence, journal entries or everyday notes.
Package contents
The package includes the Eternal Flow fountain pen with your selected nib width.
(Photographs are for reference; colour and some visual details may vary from the product received.)
Technical specifications
- Brand and model: Sailor Ebonite Eternal Flow.
- Barrel and cap material: ebonite.
- Colour: deep navy blue.
- Surface treatment: blasting and mechanical engraving with a wave pattern.
- Nib: large 14K gold nib with rhodium plating.
- Nib widths: F (fine), M (medium) and B (broad).
- Filling system: cartridge or converter.
- Dimensions: Ø 19.6 × 164 mm, including the roll stop.
- Weight: 43.1 g.
Ebonite characteristics and care
Small raised areas or indentations can occasionally occur in ebonite. These may result from particles present in the raw materials or introduced during manufacture. These specific irregularities are characteristics of the material rather than manufacturing defects.
Avoid prolonged exposure to direct sunlight or fluorescent light. Ultraviolet light may cause discolouration or a cloudy appearance on the surface. Keep this in mind when choosing where to store or display your pen.
Frequently asked questions
Are the waves carved by hand? No. The relief is created by mechanically engraving the ebonite.
Why does a gold nib look silver? The 14K gold is covered with rhodium plating. The visible colour comes from this surface finish; the nib is not made from silver or steel.
Your opinion matters
If you have used this pen, we invite you to share your experience on our website. You can also review your shopping experience with inktraveler on Trustpilot.
History and philosophy of the brand
Founded by Kyugoro Sakata in Kure, Hiroshima, in 1911, Sailor began with the manufacture of gold nibs. That early specialism remains central to the company's identity. Ebonite also belongs to this material heritage: before plastics became widespread in fountain pen production, ebonite and celluloid were established choices for pen bodies.
Over the decades, the company has developed its work with 14K and 21K gold and explored different ways of shaping a written line. The Naginata Togi is a distinctive example: its grind produces broader strokes at a low writing angle and finer strokes when the pen is held more upright. This specialist nib is separate from the standard F, M and B options fitted to the Eternal Flow.
At the heart of this approach is functional beauty: the idea that a writing instrument should engage the senses while remaining true to its purpose. Technical development and attention to detail serve the same goal, preserving the enjoyment of handwriting while giving writers new ways to express themselves.
"Let your thoughts find their course, one line at a time."
