Sailor is one of the most well-known Japanese fountain pen brands. Sailor is the expert on the fountain pen nib.
Sailor hold a patent on the metal they use to produce the nib for their fountain pen. The metal is named similar to gold, "18K". However the metal is a combination of different metal after a specific rate. The metal has not only features of regular gold nib, flexibility and corrosion resistant, but also features that regular gold nib doesn't have, feedback during writing.
The nib of shiki-oriori series is designed by the "God of Fountain Pens"，Sir Nagahara. Nagahara has a experience of more than 60 years on producing fountain pens and is currently the administrator of the fountain pen department.
The body of the pen is made from resin, which provides a solid quality but decreased the weight of the pen. The resin made body reduces the feeling of tired during writing. The theme of Shiki-Oriori series is to describe the beautiful scenes in four seasons.