Original Luxury TOP Brand Watches for Men<br/><br/>Features<br/><br/>-HD Luminous Configuration: High-definition luminous, can absorb external light energy and store light energy under the irradiation of light, can continue to emit light for several hours, and read clearly at night.<br/>-Waterproof 50M Watches for Mens, Swimming/ Wash Hand/ Shower in Cold Water/ Get Caught in the Rain<br/>- Synthetic Sapphire Mirror: Mohs level 9 hardness, upgraded anti-scratch coating, dripping into beads, making time clearer.<br/>-Mechanical Movement: Auto and manual winding keeps your watch running without batteries<br/>-Band material: Tungsten steel watch band, don’t worry about the watch will fade<br/>-Multi-function Dial:Date display/Week display/Year display/Month display<br/><br/>PRODUCT PARAMETER<br/><br/>Case diameter: 41mm (1.6inch)<br/>Case thickness: 13mm (0.5inch)<br/>Strap width: 20mm ( 0.7inch)<br/>Strap length: 20cm (7.87 inch)<br/>If you need to extend the strap, please contact customer service