Category Archives: Watch, Sidereal, ALSA 2007.08.01

Pocket, watch style chronometer with case. It has a 24-hour face with an hour and minute hand as well as a sweep second hand. It is wound by a ratcheting thumb knob. It is 2″ (5.1cm) in diameter and 3/4 (1.9cm) thick. There is no identification of the maker, model or serial number.