The new Souverän design also varies its classic elements in aubergine transparent. The characteristically striped pattern of the sleeve turns up again on the cap, whereby, in a slightly different form. Colored varnish stripes are encased in massive 925 sterling silver. However, due to its transparency, the barrel made of high-grade resin appears very filigree. The parts inside the pen can be easily viewed. Anyone, who appreciates modern classics, owns a Souverän 625.