Strap length: 23.5 cm,Width: 2.0 cmThickness: 2 mm,Dial diameter 3.8 cm,Thickness: 0.9CM   Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.Please contact with us whenever you have any question about our item ,we will try our best to solve the problem for u.if you like our items ,please give us a five-stars feedback.Thank you.