Watches Women Holzkern Polar Night (Walnut/Sodalite) High in the northern lands as winter approaches, the sun fades beyond the horizon and a polar night takes its place. For up to 28 days, a deep darkness alternating with a mystic blue light will fill the sky until the sun returns. Wear the mysterious beauty of a polar night right on your wrist with our model made of walnut wood and mystic blue sodalite. Specifications Case: 40mm diameter, made of walnut wood and brushed stainless steel in silver Dial: Genuine blue sodalite Movement: Solar movement by Epson Bracelet: adjustable length, made of walnut and brushed stainless steel in silver