Diplomat Aero Fountain Pen - Black Forest
Inspired by the beauty of nature and the precision of German engineering, the Diplomat Aero Black Forest Fountain Pen offers a striking reinterpretation of one of Diplomat’s most recognizable designs. This special finish combines organic visual character with modern materials, creating a writing instrument that feels both sophisticated and distinctive.
The pen is crafted from lightweight aluminum, giving it excellent durability while maintaining a comfortable balance in the hand. Its unique Black Forest finish is achieved through a specialized hydro-dipping process that produces a wood-grain appearance. The result captures the warm aesthetic of natural timber while preserving the strength and reliability of metal construction.
Like other models in the Aero series, the pen features the collection’s signature streamlined shape, inspired by the aerodynamic forms of early 20th-century airships. The sculpted grooves along the cap and barrel not only define its iconic look but also provide a secure grip and enhance overall balance while writing.
Performance is equally impressive. The Aero Black Forest is fitted with a finely crafted #6 JoWo fountain pen nib, delivering smooth ink flow and reliable writing performance. Designed for everyday use as well as long writing sessions, it offers a controlled and comfortable writing experience.
A convenient snap-cap mechanism ensures secure closure while allowing quick access whenever inspiration strikes. The pen fills using standard international cartridges or a converter (both are included), offering flexibility for a wide range of inks.
Click here to shop all compatible short standard international ink cartridges.
We do our best to photograph the pens to show how they will appear in person, but due to the nature of the material, there will be some variation in the pattern seen here. This adds an element of uniqueness to the pen, with no two patterns being exactly the same. We cannot honor special requests.
- Condition
- New
- Brand
- Diplomat
- Type
- Fountain Pens
- Color
- Brown
- Demonstrator
Whether or not the barrel of the pen is translucent, allowing you to see the ink and filling mechanism inside.
- No
- Body Material
- Aluminum
- Cap Type
How the cap is opened/closed from the barrel of the pen. Some common options include Snap-Cap, Screw-Cap, Magnetic Cap, or Capless (no cap).
- Snap-cap
- Compatible inks & refills
Which ink this pen will accept. Choices include bottled ink and various styles of pre-filled ink cartridges.
- Bottled ink, Standard international short ink cartridges
- Filling Mechanism
How the pen fills with ink. Click here to watch our video tutorial on common filling mechanisms.
- Cartridge, Converter
- Grip Material
- Metal
- Nib Size
- Extra-Fine, Fine, Medium, Broad
- Nib Color
- Silver
- Nib Material
- Steel
- Postable
Whether or not the cap fits securely onto the back of the barrel when open.
- Yes
- Retractable
Whether or not the nib/tip can retract into the body of the pen (usually for click or twist-open style pens).
- No
- Trim
- Silver
- Diameter - Body
- 14.8mm (0.58in)
- Diameter - Cap (without clip)
- 14.8mm (0.58in)
- Diameter - Cap (with clip)
- 17.6mm (0.69in)
- Diameter - Grip (mm)
Measured from the place most people choose to rest their fingers, which varies with each pen.
- 10.0mm
- Length - Body
The measurement from the back end of the barrel to the tip of the nib.
- 128mm (5.04in)
- Length - Cap
- 64.1mm (2.52in)
- Length - Nib
The measured length of the visible portion of the nib when it is installed in the pen, from grip to tip.
- 22.2mm (0.87in)
- Length - Overall (Closed)
- 139.6mm (5.50in)
- Length - Overall (Posted)
When the cap of the pen is posted onto the back of the pen body, this is the measurement of the entire pen including the nib.
- 159.1mm (6.26in)
- Weight - Body
If a converter is included with the pen, this weight is reflected in the total.
- 31g (1.09oz)
- Weight - Cap
- 11g (0.39oz)
- Weight - Overall (g)
- 42.0g
- Max Ink Capacity - Cartridge
The maximum volume of ink that can fit in the pen when using a cartridge.
- 1.03ml
- Max Ink Capacity - Converter
The maximum volume of ink that can fit in the pen when using a converter.
- 1.12ml