* Swiss made * Case diameter 44 mm * A transparent sapphire back * LV 95 caliber tourbillon movement * 100 hour power reserve * 100 meters waterproof * Sapphire glass with reflection-proof coating Description: The Tambour Tourbillon 23 Essential is a limited, numbered edition of just 23 exceptional timepieces combining the elegant dial of Louis Vuitton's iconic Tambour models with a rare Tourbillon movement, which is visible from the front through a delicate opening in the dial and through the transparent sapphire back.