Classic replica Men's student Hollow Men's steel strap mechanical movement glow-in-the-dark waterproof sports Leisure business watch

Style: Casual Shape: Round Finish: Brand new Popular element: Hollow Movement type: Mechanical movement - Automatic mechanical movement Strap material: fine steel Dial thickness: 15mm Dial diameter: 43mm Case material: alloy Buckle style: single fold buckle Waterproof depth: 30ATM Watch mirror material: plexiglass mirror Movement origin: China Automatic mechanical watch, to rely on the swing of the arm to run! The first time to use the watch, to wind 10-15 turns (do not exceed 20 turns)! The middle button, turn clockwise 10-15 turns (that is, twist up) and bring enough for eight hours a day! If you don't wear it for eight hours, the watch may stop moving and need to be rewound!