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Style: Luxury Shape: Round Finish: Brand new Popular element: Hollow Movement type: Mechanical movement - Automatic mechanical movement Strap material: stainless steel Dial thickness: 14mm Dial diameter: 44mm Case material: alloy Display mode: pointer type Table bottom type: revealing Buckle style: butterfly double buckle Waterproof depth: 3ATM Watch mirror material: ordinary glass 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!