The size is measured one by one in person, there may be a small errorNot a quality problem or inconsistent with the descriptionSubject to the actual product, if you care too much, please shoot carefully[Waterproof situation]: Life is small waterproof, sweat and small raindrops are not afraid, but can not be washed, soaked in water, bathing, etc.Dial size: 2CMStrap length: 19CM All pictures are 100% real shots, due to the different monitors on each computerThere may be a small color difference, which is not a quality problem or does not match the descriptionIf you care too much about the color difference and can’t tolerate it at all, please shoot carefully.