Special features: NoctilucentLEDApplicable crowd: StudentsWaterproof: YesWaterproof performance: 50mType of movement: ElectronicOrigin of movement: JapanDial diameter: 42mmMirror Material: Mineral strengthened glass mirrorStrap material: RubberDial shape: RoundCase material: PlasticItem No.: PDS-636Color: All BlackColor: Black SilverColor: black colorColor: GreyColor: White.Color: white powderColor: Pink BlueColor: BlueColor: matcha greenColor: purple blue ;-------------------------Includes: 1X watch 1. 1-3 cm error exists due to manual measurement, which is normal. 2. Due to different screen or computer settings, the color may be slightly different from the picture. If there is any problem with the product, please leave me a message in time. I will surely solve the problem quickly and effectively. Please do not complain before sending us a message as it may take more time to solve the problem. Ships from China in 2-4 days after order, delivered in 15-25 working days Q: Do you provide invoice? A: We provide digital invoice, if you need it, you can send us a message after placing the order. However, this invoice can not be used as a tax invoice, it has no company stamp.