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Home Shop FP Bestsellers Gravitas - Sentry Raw Stainless Steel
GravitasSKU: GP-FP-SY-SST-11/SI-SN6

Gravitas - Sentry Raw Stainless Steel

€115,00 /
Tax not included. Shipping calculated at checkout.
5.0 (2 reviews)
Nib: Steel
Nib Size: Extra Fine
Gravitas - Sentry Raw Stainless Steel
€115,00 /
Nib: Steel
Nib Size: Extra Fine

 
 
Description

Meet the upgraded Sentry fountain pen, the larger sibling to the entry-level model from gravitas. While slightly weightier than its counterpart, the Sentry maintains a comfortable and user-friendly design, thanks to its weighted section. With triple-start ACME cap threads, the cap effortlessly disengages in just 2.25 turns.

Constructed from 304 stainless steel, the section is black PVD coated and features micro-machined grooves for an enhanced grip. To prevent marks from posting - the cap features a delrin sleeve and the upgraded Sentry series now comes with two o-rings, one on the section and one on the barrel, enhancing the experience while carrying and using the pen - preventing the accidental uncapping or untwisting of the section.

Equipped with a Gravitas-production size 6 steel nib compatible with Jowo No. 6 threads and abs plastic feeder, the Sentry offers versatile writing options, including Extra Fine, Fine, Medium, Broad and Fine Flex.

Enhancing your experience, the Sentry comes with a standard international converter provided with each fountain pen. If a larger ink capacity is needed - the Sentry Stainless Steel is eyedropper friendly.

Elevate your writing journey with the refined craftsmanship of the Sentry fountain pen.

Specifications:

- brand: Gravitas
- type: Fountain Pen
- color: Silver
- body material: Stainless Steel
- cap type: Screw-cap
- filling mechanism: Provided Converter / Standard International Cartridge
- nib material: Steel
- nib size: Extra Fine, Fine, Medium, Broad, Fine Flex
- postable: Yes
- trim: Silver color
- length overall (closed): 147 mm
- length overall (posted): 162 mm
- body length: 138 mm
- cap length: 62 mm
- body diameter: 14 mm
- cap diameter (without clip): 15 mm
- weight (overall): 84,5 grams
- body weight: 56,4 grams
- cap weight: 28,1 grams

Specifications

Brand: Gravitas
Model: Sentry
Edition:
Color: Silver
Body Material: Metal
Finish:

Cap Type:
Screw
Filling Mechanism:
Cartridge Converter
Postable:
Yes
Trim Color:
Length Overall (Closed): 147 mm
Length Overall (Posted): 162 mm
Body Length (Uncapped):
138 mm
Body Diameter: 13.25 mm
Cap Diameter (Without Clip): 15 mm
Weight Overall: 84.5 g
Body Weight: 56.4 g

Customer Reviews

Based on 2 reviews
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D
Destiny Smith
The Pen of Steel!

This pen is very unapologetic about itself. This pen, to me, is what the definition of the word “gravitas” should look like. This pen is medium large, long enough for a standard cartridge converter, the #6 nib is just the perfect size for this size pen, and the girth is just right. And best of all, it’s made from stainless steel! That pen will survive long enough to allow you to write the Chronicles of the Apocalypse, using Zombie Blood. But seriously, aside from minor scuffs and scratches, this pen, with proper care and cleaning, will be perfectly serviceable in another 100 years.
The Fine nib on my pen is very smooth, and nib unit has excellent ink flow. If you find that the ink flow is too wet, try changing to a “drier” ink, like Pelikan 4001 Königsblau.
Despite the weight of the pen, I find I can write with this pen for longer periods without fatigue. To me, grip diameter, especially a thin grip diameter, causes hand fatigue much more rapidly than writing with a pen that weighs 56 grams. The all that weight is sitting on the web of my hand between thumb and forefinger, right near the center of balance of the pen.
I’m very happy with the look, feel, and performance of this pen. Would definitely buy again!

C
Clay
Breathtaking Pen

This pen is absolutely fantastic. The textured grip prevents slippage during long writing sessions, which is a huge plus for me since my hands tend to get more moist than others. The sentry has a comfortable weight to it and since it leans on the heavier side, it takes away the wrist pain I get from writing with lighter pens. I haven't experienced any ink leaks during its use/transportation, and after observing the inner workings of the pen, I think it's quite resistant to leakage. The ink cartridge filling process is very easy! My pen shipped from EU to USA and arrived in less than a week with no issues. Very happy with my customer experience with pen-venture.

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© 2026 Pen Venture - Passion Virtuous,

★ Reviews

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877 reviews
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R
Gravitas - Vac 2.0 Aluminium | Black
Richard L Sherman
Gravitas Vac 2

The construction of the Vac 2 is flawless. The textures of the materials and it's simple lines display an elegant beauty. The large steel nib delivers a pleasant writing experience and also provides a bit of flex.

C
Gravitas - Vac 2.0 Aluminium | Black
Chris

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.

R
Platinum - #3776 Century Kaga Maki-e Sansui GT
Robert Moore
Platinum Sansui - Smooth Operator

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.

D
Gravitas - Steel Nib Unit Silver | No. 6
David Sumrell
Gravitas #6 extra fine nib

The extra fine nib came tuned to perfection—a joy to write with. Thank you Emy!

J
Gravitas - Vac 2.0 Aluminium | Black
Jimmie
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!

123
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.

Fifty4T - Titan Slim Line Aluminium Emerald Shadow