Features:,1.You can use it as necklace or watch.,2.Good presents given in the occasions, such as birthday, Christmas, Valentines etc.,,Specification:,1.Main colour: Silver,2.Material: Alloy,3.Clousure: Half Hunter,4.Features: 12-hour dial,5.Watch movement: Quartz,6.Diameter: 4.8cm,7.Bracelet: chain length 80cm, dial: 5cm,,Package Included:,1x Watch,1x Pocket chain,,Usage:,1.Push the header, the lid will take off.,2.Find the small groove and open it, change the battery.