Works from the battery.Adjust the time by pulling up the knob and turning.<br /><br />♤ Pendant size: Watch: 4.7cm (1.85 inches Diameter)<br />♤ Chain Length: 80cm (31.49 inches Length)<br />♤ Lobster Clasp Closure<br />♤ Material: Alloy pendant watch & chain， all Nickel & Lead Free<br />♤ Package: All comes with nice gift packing!<br /><br />Gun black pocket watch and anituqe silver charms.<br />The snitch ball keeps changing colors in the light.<br /><br /><br />When I search harry potter pocket watch，there are so many items but all in the similar style.<br />That's the golden snitch pocket watch，which is a ball watch with double sided wings.<br />I always think about making something new.Now you see it.<br />This watch is with deathly hallow and the golden snitch pendant.<br />