Jacobus Viet, Pocket watch with silver dial with date calendar with moon views and gold hands, silver exterior case, pocket watch watch movement measuring instrument silver gold brass steel glass paper textile, box 5.7 Silver champlevé dial with wave minute minute Arabic minute digits (the engraver made mistake on the location of the 50 55 to engrave) and Roman hourly figures. In the center moon disk with blue starry sky and white engraved starlets and silvered moon discs. The so-called Mondays are engraved on the edge of the moon disk. Below banderolle with signature. Gilt ajour sawn hands. At the location of the minute digits 55 and 5 are two windows above which the letters OS and NS. Possibly this Emerging Sonne and Downward Sonne In the windows appear numbers that indicate the probable rise time and time of the sun. (In order to establish the correctness of this statement, the timepiece must be disassembled, which was not done in this investigation.) Below the center slit in which