product information: Brand: WLISTH/Wolishi Print LOGO: Yes Custom processing: Yes Special functions: luminous, calendar, small three needles Display type: pointer Applicable crowd: male Style: Sports Waterproof: Yes Waterproof performance: 30M Movement type: Quartz Thickness: 13mm Dial diameter: 47mm Crown type: spiral crown Table bottom type: ordinary Mirror material: mineral strengthened glass mirror Buckle style: single folding buckle Buckle material: stainless steel Strap material: stainless steel Dial shape: round Case material: alloy Color: black surface black steel strip 1#, white surface silver steel strip 2#, black surface silver steel strip 3#, blue surface silver steel strip 4#