1576 This clock is designed to indicate the time either in the 12 hour system (1-12 twice), or the 24-hour system. Around the outside are 24 touch-pins so the owner could feel the time in the dark. Two hands show the position of the sun and the moon in the Zodiac throughout the year. At the center is a small disk for setting the alarm. The case is punched PG on the base with the date 1576 and the initials ISG. By Peter Grundel (attributed), Copenhagen Spring driven with fusees, balance, alarm
aperture=f3.5 focal length: 60.0 mm exposure 1/160 sec ISO: 3200