U-BOAT watches are created with a passion for advanced and unusual techniques and materials. This Italian watchmaker has used innovative techniques including incorporating a thin layer of Anatolie under its scratch resistant glass in its Classico collection. This unusual gemstone changes colour, dependent upon the light conditions, to reveal a unique and memorable timepiece. Resistant to extreme climatic conditions the U-BOAT collection will stand the test of time. Available now from Watches of Mayfair.