The TWSBI Classic is an opaque-resin piston-fill fountain pen that was released in January of 2014. Known for the 580, Mini, and Vac-700 pens, TWSBI has generated a lot of questions around this new model. I made this video for you to give you the run-down of what this pen is all about and what distinguishes it in the TWSBI line.
Notable features include a piston-filling mechanism with an ink capacity around 1.2ml. It’s available in a #4 size stainless steel nib available in extra-fine, fine, medium, broad, and 1.1mm stub. It’s thinner than the Mini and 580, and weighs about half-way between the two pens (24g). It’s a pretty good value at $50, especially considering non-TWSBI pens of the same build typically cost over $100. It’s available in black, red, and blue.
Two downsides to the pen are that the cap doesn’t post (not the end of the world, but important to know), and there are no separate nib units available for the model at this time. The nibs are really stuck in the pen, too, so even though I initially thought they were swappable with the Mini, I wouldn’t recommend trying as you’ll likely damage your feed or nib trying to remove it.
I have several more TWSBI Classic videos in the works that I’ll be publishing soon, everything from how to fill it, how to completely disassemble and reassemble it, filling it from a Diamond-50 or 50P inkwell, and writing with it and comparing it to other pens. I’ll be covering a lot, but surely not everything, so if you have any questions just leave me a comment below!