Choosing fountain pen paper & notebooks comes down to a practical split: do you want a compact ruled journal that travels easily, or a larger grid notebook for organized notes and longer projects? The LEUCHTTURM1917 and SAKAE Tomoe River notebooks take distinctly different approaches, so the right choice depends more on format and writing style than on brand alone.
Quick verdict
- Choose the LEUCHTTURM1917 pocket notebook for a ruled, fountain-pen-friendly journal with a compact A6 format and everyday carry in mind.
- Choose the SAKAE Tomoe River notebook for an A5 workspace with a 5mm grid, white pages, and substantially more room for ongoing notes.
Price and format at a glance
| Notebook | Listed price | Best match |
|---|---|---|
| LEUCHTTURM1917 Sand Ruled Pocket Notebook | USD 22.94 | Compact ruled fountain pen journal |
| SAKAE Technical Paper Tomoe River A5 Notebook | USD 35.00 | A5 notebook with 5mm grid and extended writing space |
The listed-price spread is $12.06, making format the more important deciding factor if both prices fit your budget.
Where each notebook wins
- LEUCHTTURM1917 wins for portability and straightforward journaling. The pocket-size, ruled design and explicit fountain-pen-friendly designation make its intended use easy to understand.
- SAKAE wins for structured desk work and longer projects. Its A5 layout, 5mm grid, Tomoe River paper name, and 368-page count favor readers who want a larger, organized notebook.
Product notes
NEW - Journal Notebook in Sand Color Ruled Pocket Size - Fountain Pen Friendly

The LEUCHTTURM1917 is a strong fit for a fountain pen journal that needs useful organization beyond the page itself. Its hardcover faux-leather cover, two page markers, expandable pocket, sticker, detachable pages, and dust jacket give the notebook several practical extras. The listed 80 g/m² paper weight and explicit fountain-pen-friendly designation also make the intended writing setup clear. Its main limitation is the compact 5.91 x 3.55 x 0.5-inch size: that footprint suits short entries and portable notes, but it provides less room for diagrams, expansive handwriting, or project planning than an A5 notebook. Shoppers who prefer ruled pages and a pocket format will find the design more aligned with their routine than a grid-based desk notebook.
SAKAE Technical Paper Tomoe River A5 368 Pages White 5mm Grid SR-A5HBW Notebook

The SAKAE is the better match for readers who want a dedicated workspace for office notes, business writing, or a long-running project. The title specifies Tomoe River paper, white pages, an A5 format, and a 5mm grid, while the description positions the notebook for precise, organized note-taking. Its 368-page construction gives the notebook a clear long-project orientation, and the Japanese country-of-origin detail adds a specific point of identification. The concrete tradeoff is the listed New - Open box condition, which may matter to shoppers who prefer a sealed-new presentation. The A5 format also points toward desk use rather than the compact pocket-journal role served by the LEUCHTTURM1917.
Final choice by use case
For daily ideas, journaling, and portable fountain pen notes, choose the LEUCHTTURM1917. Its ruled pocket format, fountain-pen-friendly designation, and organizational extras keep the brief focused and practical.
For office work, structured planning, or a longer project, choose the SAKAE. The A5 grid and 368 pages provide the more suitable page plan for organized, sustained writing.
If the decision is mainly about paper identity, the SAKAE is the direct Tomoe River choice. If the priority is a clearly labeled fountain-pen-friendly journal in a compact ruled format, the LEUCHTTURM1917 is the more targeted match.