This is a Holzkern Priamus watch featuring a vibrant blue stainless steel frame and a unique grey marble dial .Materials: Constructed from blue stainless steel, dark wood, and real grey marble. Design: Features a 45mm diameter chronograph design with hardened mineral glass .Functionality: Powered by a Japanese quartz movement and includes an adjustable wristband. Never been worn Certificate of authenticity in box Small stain on the top of the wooden box