Esterbrook x BUNGUBOX Estie Kachofugetsu Flower Fountain Pen
Product information
Product Information
Product Description
Esterbrook is thrilled to unveil the Kachofugetsu Flower Fountain Pen, a striking collaboration with renowned Japanese artist Kaoru of BUNGUBOX.
In Japan, many beautiful words have long been used to describe the natural world. “Kachofugetsu,” meaning “Flower, Bird, Wind, Moon,” is one of them. Inspired by this idea, the Kachofugetsu Flower Fountain Pen captures the beauty of the Someiyoshino cherry tree in bloom, with delicate blossoms adorning the barrel.
Crafted from semi-translucent crackled pink acrylic, the pen features gold-plated accents and a signature gold-plated nib engraved with the Japanese character for “flower.” Its design also reveals the printed converter within, decorated with its own pink blossom motif.
Marking Esterbrook’s first collaboration with BUNGUBOX, the Kachofugetsu Flower Fountain Pen is a limited edition release that reflects the artistry and craftsmanship shared by both brands.
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Technical Specifications
| Filling System | Cartridges/Converter |
| Nib | Stainless Steel |
| Material | Acrylic Resin |
| Closure Type | Screw Cap |
| Length | 14,7 cm |
| Weight | 26,0 g |
where tradition meets your ambition.
The Brand
The Esterbrook brand embodies a significant piece of American writing history. Founded in 1858, Esterbrook became known as "The People's Pen," dominating the market with reliable and accessible writing instruments.
The modern Estie series marks the elegant revival of this legacy. The pen’s simple, comfortable cigar shape is a nod to the classics, merging historic reliability with modern engineering and superior materials. The name "Estie"—a beloved nickname for the brand—stands for a pen that honors the past while inspiring the future of your written word.
Materials
The Estie is crafted to feel exceptional in hand. The barrel is made from high-quality Precious Acrylic Resin, known for its deep, vibrant color and smooth finish. This refined material is balanced to offer a comfortable weight—neither fatiguing nor too light. All metal trims, including the signature clip and accents, are Palladium- or Gold-plated, providing a luxurious and durable touch that perfectly complements the pen’s clean, cylindrical design.
Nib Sizes
At the heart of the Esterbrook Estie lies a nib engineered for reliability and smooth performance. The Estie is equipped with a high-quality, German-made Jowo #6 nib.
- Standard nibs: EF, F, M, B, BB, Stub
- Flex nibs: EF-Flex, F-Flex
- 18ct./750 gold nibs: F, M, B
Custom nibs
Journaler: Medium Stub, based on vintage 9314M. Smooth, friendly for everyday use, adds flair, not too huge.
Needlepoint: For small grids (like Hobonichi). Controlled writing to fit more into smaller spaces.
Scribe: Architect nib. Thin downstroke, thick cross-stroke. Unique architectural line variation.
Mini Stub: Gets fine details and personality. Line variation, good for longform writing/sketching.
Techo: A highly versatile "all-in-one" nib that produces varying line widths based on the pen's writing angle (flatter angle = thicker line; steeper angle = thinner line), ideal for flexible journaling and sketching on the go.
Fude: A bent nib designed to mimic the dynamic line variation of a calligraphy brush ("Fude" means brush), creating very thin lines when held steep and thick, bold strokes when held flat—perfect for artists, illustrators, and dramatic calligraphy.
