Alice in wonderland pocket watch Movement: Quartz Diameter: About 4.4cm Thickness: About 1.4cm Total Length of Chain: About 80cm Package Content: 1 x Pocket Watch 1 x Chain Q: How to adjust the time? A: Please pull out the button and then rotate it to change the time. After that press the button in. Q: Could this watch change the battery? A: Yes, you can open the back of the case.