Vintage pocket watch for men

Gorgeous Pocket watch - 30 Cm long. Bought for a costume in October. Never used due to a different outfit. It's wind up + battery. The use and info : Setting time: Pull the crown away from the base of the watch and turn the crown clockwise until reaching the exact time. Wind up the watch about 15~25 times. Please do not over winding up when the table is tight. How to Change the Battery? If the pocket watches can not keep time after you use in a period of time, it may the battery run out. Please prepare a sharp tool, such as a small tweezers, gently insert one side of the tweezers into the gap between the back cover of the pocket watch and the dial, then gently wrap around for a round, then gently push the lid and change a 377 battery