The TT Chocolate All Wood watch is equipped with high-quality Japanese quartz movement time piece and a stainless steel button and clasp. The strap is made of 100% wood and case is made out of wood and stainless steel. Diameter of the dial is 43 mm. 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!