Gravitas Sentry Black Fountain Pen

Gravitas is an Irish pen brand known for their bold design, precision engineering, and unique materials. Machined from solid metals or other hardy materials and thoroughly tested for durability, each pen offers a striking balance of form, function, and fun
Item #: 277218
Our Price: $162.85
See all items from Gravitas
Product Description

Gravitas Sentry Black Fountain Pen

Meet the upgraded Sentry fountain pen, the larger sibling of Gravitas entry-level model. Though slightly heavier and bigger than its counterpart, the Sentry remains comfortable and user-friendly, thanks to its well-balanced, weighted section. With triple-start cap ACME threads, the cap smoothly disengages with just 2.25 turns and now features a Delrin sleeve for posting with no marks left on the barrel.

Machined from a solid rod of Aluminum - the new Sentry is featuring a finish not used till now by Gravitas the Anodized - Bead Blasting, a unique texture that further refines the experience of using one of these writing instruments. Different from previous versions - the Sentry features two o-rings : - a black one that ensures the link in between the section and barrel is solid - a red one that ensures the cap's airtightness and prevents the cap from coming off when its not needed.

The 25mm-long section, tapering from 13.25mm to 11.5mm, is expertly crafted from Stainless steel alloy - PvD coated in black and features finely machined circular grooves for an enhanced grip. Machined from a single block of Aluminum the cap and the barrel are anodized in black color and a matte texture.

The Sentry is equipped with a Gravitas-produced size 6 steel nib, compatible* with Jowo No. 6 threads, and an ABS plastic feeder. It offers a range of nib options, including Extra Fine, Fine and Medium.  Each Sentry pen comes provided with a standard international plug-in cartridge converter.

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

Review: Matt H. Submitted: 8/14/2025

Quality5 out of 5 stars.

verified

Subject

Reliable and Dependable

Metal construction with no clips to break. Jowo threading so you can easily change nibs, feeds, and housings. Converter so you can easily swap to a new one if anything goes wrong with the converter it comes with. O-rings to keep any leaks inside of the pen within the body of the pen, and to keep any leaks from the nib inside of the cap, so your pockets, pants, shirts, jackets, and briefcases are protected. It'd be pretty hard for anything to go wrong here, but if it did, and you dropped it nib-first on the ground, it'd still be easy to replace the nib unit, and maybe the converter, and you're back to writing for very little cost, and even less effort. This is a dream for someone who wants a pen that will last forever and allow them to try out new nibs and whatnot without having to buy a bunch of different pens.
Discussions
Currently there are no discussions available for this item.
Items for the Enthusiast

Accessories

Fahrneys Ever Write 75ml Bottle Ink
Fahrneys Ever Write 75ml Bottle Ink
Now 50% More Ink!
Our Price: $13.45
Standard Converter
Standard Converter
Our Price: $8.00
Exacompta FAF 4 x 7 Desk Pad
Exacompta FAF 4 x 7 Desk Pad
Our Price: $45.69
E and M Brixxs Pen Holder / Organizer
E and M Brixxs Pen Holder / Organizer

List Price: $92.65 Save:$18.65 (20%)

Our Price: $74.00
Customer Comments
"Great selection of quality writing products." - Verified Buyer, April 2025