Specification Strap length: 14-22.5cm Strap width: 1.1cm Dial diameter: 1.7cm Dial thickness: 0.9m Strap Material: Alloy Case Material: Alloy Buckle Type: Magnetic Operation method: touch screen Dial shape: oval Special functions: decoration, luminous, month, calendar, flash, world time Note: 1. There is 1-2cm difference according to manual measurement. 2. Due to the difference between different monitors,the picture may not reflect the real color of the item. Thanks for your understanding. 3. (life waterproof )only can splash a little water,can not be washed or in bathing,swimming,diving