Classic watch winder case designs are timeless. The sloped front case design affords perfect visibility. The top is fitted with beveled glass viewing panel and superb quadrant hinges. All interior surfaces are lined in rich suede. Multiple layers of high gloss polyester lacquer enrich the finished case which is available in two different wood materials. The bottom surface of the case is covered in suede to prevent damage to fine furniture tops. The Sienna 2 operates off lithium batteries (included) and can expect a 5 year battery life.