Fascinating technology and precise functionality – these characteristics are also properties of marine clocks and nautical instruments which, due to their fundamental importance to naval navigation, require absolute reliability. In the history of seafaring, the intersection of latitude and longitude proved to be the only accurate option for determining location. A sextant, for instance, was used to determine the degree of latitude, while a high-precision marine clock was essential to finding the degree of longitude. That is all in the past. For a long time, the latest electronics and a global satellite network have ensured that orientation is accurate down to the exact metre. However, to be on the safe side, it is recommended that seafarers also bring along an instrument whose batteries are not going to run out and whose electronic chips cannot break: A precision clock from Erwin Sattler. Not least because of their decorative design, it is also something nice to have on land.