The Natures Rainbow All Wood Black Watch is equipped with high-quality Japanese quartz movement time piece and a stainless steel button and clasp. Diameter of the dial is 1.7 inches. The strap and case is made out of 100% all wood. No Dyes or chemicals are added to make these watches and are 100% environmentally friendly. It does more than just benefit the environment to buy a Timetree watch. Planting trees using the hands of time, that’s the Timetree difference!