The price for the Nomos branded fountain pen version is about the same with the price of the Kaweco one. $ 72 (I made the comparison using the jetpens site, but take into consideration that the shipping is free from the Nomos site for most parts of the world while jetpens delivers with no cost in US)
"DESCRIPTION
Kaweco, a stationery company founded back in 1883 that once turned Heidelberg into the center of the German fountain pen industry, also produces pens for NOMOS Glashütte—since this is something NOMOS can’t do.
The design of these pens is rooted in the 1930’s, while the choice of materials employed is right up-to-date—they are produced from untreated, hand-polished aluminum. In other words: Life may leave its mark on the pen in the form of small scratches, dents, a fine patina, and other beautiful traces of time. That said, it comes with a protective cover—for traveling, for example—in the form of a black Jepard leather pouch.
DETAILS
NOMOS’ aluminum fountain pen has a particularly soft steel nib (with an iridium tip, nib size M). 10.5 cm in length, or 13.5 cm when in use (with the lid attached to the end). Comes with a soft case made of black Jepard leather. Customers in the United States, please note: due to US Customs restrictions, orders delivered to the United States are shipped without an ink cartridge. Not to worry though, you can purchase these from your local office supply store online retailer under the name, "international standard cartridge"
I wonder, would you go for the Nomos version if you already own a Nomos watch or stick to the Kaweco original? Isn't this like wearing an Audi watch?