M's Collection M's Necklace Silver 925 Arabesque Sphere Ball The sphere at the top has a T-shaped clasp that rotates sideways to prevent it from falling off the chain. Chain has a darkened finish. Chain: 44cm (originally 50cm, shortened at the store) Sphere diameter: 1.4cm, with a scratch? No guarantee card or red box. Purchased a long time ago at the main store in Tokyo? (a store with the register right in front of the door)