Sinn watch 956 classic leather this classic chronograph is of particular interest to anyone attracted to traditional designs the dial is made to resemble the dashboards of old automobiles the movement is protected from shock and magnetic influences various functionalities make this timepiece extra special a double tachymeter scale measures from 30 to 60 kmh and from 60 to 500 kmh in addition the watch has a power reserve indicator date window at 3 o clock transparent case back and scra