This beautiful Walnut Wood is rich and warm and goes with nearly every outfit. A fantastic addition to your watch collection. Created from Black Walnut this watch is hypoallergenic making it fantastic for sensitive skin. Being able to see the internal workings is definitely a conversation starter, the dual-wheel features 47 jewel bearings, a 40 hour power reserve with power indicator. Designed with an open heart dial allows an unhindered view of the dual wheels in motion so that you can get a clear view of the engineering that went into this watches design. No two watches are the same, each is 100% original and unique.