watch Harry Potter - Ravenclaw quality watch Harry Potter - Ravenclaw. Composition: strap made of synthetic leather, clock movement (powered by battery which is included in the watch). Total length of the watch - 21,5cm, for wrist circumference approx.: max. 18cm. Average watch max. 2,4cm. Packed in a gift box. watch Harry Potter - Ravenclaw - CRTTP000315 - Metal-shop