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Home Shop FP Bestsellers Gravitas Special Ed from Kyuseido - Kakari FS Machine Blue
GravitasSKU:

Gravitas Special Ed from Kyuseido - Kakari FS Machine Blue

€575,00 /
Tax not included. Shipping calculated at checkout.
5.0 (30 reviews)
Nib: 14k Gold
Nib Size: Fine
Gravitas Special Ed from Kyuseido - Kakari FS Machine Blue
€575,00 /
Nib: 14k Gold
Nib Size: Fine

 
 
Description

Born from a collaborative effort from Kyuseido and Ben Walsh Design, the Kyuseido - Kakari FS features the innovative Pump Piston Filler integrated filling system. Unmatched attention to detail defines the Kyuseido Kakari FS. The pen body is made with optical grade cast acrylic, chosen for its remarkable clarity and beautiful polish, and internally fit with 303 stainless steel piston unit and rod that forms the Pump Piston Filler.

The cap, section, and piston knob are made from Ti-6Al-4V and finished with a high Ra finish directly on a Swiss lathe. The internal lining in both the cap and the piston knob are made from Delrin(r) acetal homopolymer, which ensures the smooth sensation when capping and uncapping the pen.

The piston rod features a valve system which blocks off the main ink chamber of the barrel from the nib and feed of the pen and can minimize potential leakage when traveling. To allow unrestricted ink flow from the barrel into the feed, unscrew the piston knob until the piston rod can move freely before writing.

Kyuseido worked with Ben Walsh Design to create two special finishes, only available through Gravitas Pens, to commemorate the release of this pen. The Kyuseido Kakari FS Gravitas Pens Special Edition comes in matte blue or machine polished blue.

These Gravitas Pens Special Editions will feature 14k yellow gold nibs fit on an ebonite feed made from black Nikko ebonite and adorned with the distinctive Gravitas Pens logo. The premium and durable AM tipping is specially formulated for high performance.

Please note that the nib sizes for the Gravitas Pens Special Editions write larger in size than the nibs from Kyuseido. Additionally, the Gravitas Pens nibs and feeds are set further into the housing than those from Kyuseido.

While it is possible to remove the section and to disassemble the Kyuseido Kakari FS, any disassembly is “at the user’s risk” and damage caused due to disassembly is not covered by the Kyuseido International Warranty.

The Kyuseido Kakari FS is a robust pen built to last. However, it is not designed to be indestructible. Damage caused due to dropping the pen, handling with excess force, and other external factors beyond regular writing and operation can be repaired outside of the Kyuseido International Warranty for a fee.

The Kyuseido Kakari is available in machine finish (shiny) only.

Specifications:

- brand: Gravitas
- type: Fountain Pen
- color: Blue, Silver, Gold
- body material: titanium, stainless steel, delrin
- cap type: Screw-cap
- filling mechanism: Pump Piston Filler
- nib material: 14k Gold
- nib size: Extra Fine, Fine, Medium, Broad, Double Broad
- postable: Yes
- trim: Blue color
- length overall (closed): 144 mm
- length overall (posted): 175  mm
- body length: 133 mm
- cap length: 62 mm
- body diameter: 14 mm
- cap diameter (without clip): 14 mm
- weight (overall): 46.6 grams
- body weight: 30.8 grams
- cap weight: 5.8 grams

Specifications

Brand: Gravitas
Model: Kakari
Edition:
Color: Blue
Body Material: Metal and Acrylic
Finish:

Cap Type:
Screw
Filling Mechanism:
Hybrid
Postable:
Yes
Trim Color:
Length Overall (Closed): 144 mm
Length Overall (Posted): 175 mm
Body Length (Uncapped):
133 mm
Body Diameter: 14 mm
Cap Diameter (Without Clip): 14 mm
Weight Overall: 46.6 g
Body Weight: 30.8 g

Customer Reviews

Based on 30 reviews
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93.1
100.0
C
C.B.
Incredibly smooth.

I have a relatively small collection of fountain pens and had finally decided to get one with a gold nib. No matter how many different pens I looked at, I found myself coming back to this one time and time again. So I decided to go ahead and get myself a Kakari.

The one word that really ties everything together is smooth. From the finish to the threads and filling system to the absolutely wonderful nib, it's even better than I had hoped for. I opted for the Medium nib and it is a pleasure to write with.

This is also my first Gravitas pen, and it's every bit as amazing as I had expected from all of the reviews I had seen. Thank you to everyone at Gravitas and Pen Venture for such a wonderful writing instrument.

C
Christian C.
Finally an introduction

I started using fountain pens earlier this year to commemorate a promotion to a new station. Only upon receiving this pen hours ago and putting nib to page do I realize that I haven't experienced fountain pens until today. I've been researching and admiring this pen since August, and from its substantial weight, level of feedback, and build quality to its unique filling mechanism, it shattered my expectations.

I regret only that I did not decide to buy this pen earlier.

Kudos to Ben Walsh, Cy, and Emy for the utterly fantastic quality and tuning of this instrument. For anyone considering this pen, there is no reason to hesitate. It seems I'm now one of many who are happy to have trusted Emy and the Pen Venture team!

D
Dan Shapiro
Wonderful nib on Kakari

I find the most wondrous things about the matte blue is the exceptionally smooth, and also wet nib that I asked Emy to tune. The F nib writes like an excellent medium nib - just the way I like. The matte blue finish is lovely, and the excellent construction and "feel" to the pen are terrific. But to me what makes this pen more exceptional than the Monster pens (which I also have), plus the Titan, is the lovely nib. I wish Emy and Ben would offer this nib on some of their other pens, even if a number 6 rather than an 8 on the Monster (and Titan pens).

Y
Yiannis Louizos
Tuned to Perfection

To keep it short - any high end pen I plan to get in the future I’ll look here first because the nib tuning/ check before shipment is the best I’ve experienced.

K
Ken Chien
Yet another wonderful and beautiful Gravitas pen!

After multiple carbon fiber (piston black, dinky, pocket) I had my eyes on this Kakari. Knowing that Emy would take the best care and possibly even personal tune the pen if I’m lucky I pulled the plug. And I am so happy with this absolutely gorgeous pen. The build and finish (I got the satin finish) were impeccable - and sturdy. Knowing the size ran bigger for this pen nib, I still went for the B and its writes just as juicy as I had hope it would. I personally love juicy pens and ink shading, so I am overjoyed with the performance. And I can’t stop admiring the craftsmanship of this (and other Gravitas) pen. I’m in love with this pen…it looks so gorgeous all inked up (I used Sailor Shikiori Yuki-Usagi, snow rabbit - a dark blue/gray shading). Thank you Emy and Penventure for yet another wonderfully satisfying purchase!

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© 2026 Pen Venture - Passion Virtuous,

Review picture
Isaac Leong
My wonderful first Titan pen

Beautiful colour. The nib is smooth and wet. The grip section is textured, I will not worry about writing with it in hot weather. This is my first demonstrator pen, I love watching the ink level drops (very slowly) in the barrel. The package is packed very securely. Thank you staffs at Pen Venture.

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Amazing Pen! Gravitas makes one of the best piston fillers out there. I dont keep the nib and normally use the pen for coustom flex nibs with Jowo #6 compatible nib units. So, i really cant speak on the nib. However, this pen is just built with high quality components. The weight, feel, and overall aesthetics are unmatched. You wont find better at this price point.

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I recently acquired the Platinum Maki-e Sansui pen in a Medium nib. The Pen Venture team was kind enough to carefully inspect and tune this pen before sending it on to me. Many thanks for that. It writes very smoothly and with a steady flow of ink. The Medium nib is my favorite nib configuration from the Platinum brand. The line width is nice and thin and always writes consistently right of the box. This lovely Maki-e pen was no different. I highly recommend it.

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FANTASTIC!

The VAC 2.0 is a great improvement to an already great pen (the original VAC Ultem). The weight and balance are spot on. The cap and the new threads engage without hesitation. No missed closures and the cap has a nice stop when threading back on. It posts securely without issue. Filling with the Kraken system is easy. I got a medium nib and it is smoooooooth. Mine is on par with my 823 medium nib The smoothness, wetness and bounce would make you think it's a gold nib. Line width is slightly narrower than the 823 medium. The pen feels solid and well built. I'm not worried about this one getting knocked around. Overall a great pen. Shipping from Pen-Venture to Colorado was five days! Great pen and service all around!

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