For more than 100 years, Montblanc has been a preeminent producer of high-quality writing instruments. However, as demand for traditional ink pens declines in the digital age, the company has introduced three new lines of writing instruments that retain all the prestige of a traditional Montblanc pen but can be used to interface with touchscreen devices.

Developed in collaboration with Samsung, the new styli incorporate the Korean electronics maker’s S Pen technology, which affords greater functionality whe…