The Ebony Grain Light wood watch is equipped with high-quality Japanese quartz movement time piece and a stainless steel button and clasp. Diameter of the dial is 38 mm. Strap is 100% genuine leather and cases are made of 100% 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!