For the US the "Titanic DNA" denomination is replaced by "Made with parts of the Titanic"

Romain Jerome

Know how

Graphite

After being used for thousands of years by mankind, coal – its chemical name ‘graphite’ – has found its most noble application at Romain Jerome.
A first in watchmaking, Romain Jerome’s master watchmakers use a complex and confidential process to apply coal dust onto the dials of its timepieces thereby giving them a deep, dark hue and a charred texture.