EXOTIC WOOD & STAINLESS STEEL: This 40mm watch is handcrafted with all-natural and sustainably sourced exotic koa wood and unique stonewashed finish on 316L surgical grade stainless steel. CITIZEN QUARTZ MOVEMENT: We use a reliable Japanese Miyota Quartz movement in our Minimalist collection of watches. This 3-hand movement also has a date function. SCRATCH RESISTANT GLASS: Hardened mineral crystal glass. 1 TREE PLANTED & SUSTAINABLY SOURCED: All of our wood is sustainably sourced and we’re committed to planting one tree for every watch sold. To date, we have planted over 500,000 trees.