Laco Watch Flieger Basic Aachen Grau 42 Bracelet 862159.MB. Characterised by the classic business colour grey, these timepieces are perfect for a clean appearance, as the colour is considered sophisticated and timeless. In current fashion, grey is often the new black, as it is not a strong contrast but an ideal complement to many colours. The design of the dials is based on the companies classic pilot watches.