Gübelin

Astrolabium | A yellow gold Astronomical calendar watch with day/night indication, moon phases, and Zodiac signs, Circa 1983

Dial: silvered chapter ring calibrated for twenty-four hours, signs of the zodiac and moon phases, planispheric center marked with the horizon and degrees for the angle of the sun between sunrise and sunset, subsidiary seconds dial with aperture for phases of the moon, inner gilt ring with signs of the zodiac and outer with the months, blued steel hour hand with the sun emblem, the dial signed Gübelin and with latitude of 53.5 N Caliber: cal. 9720 mechanical, 19 jewels, adjusted to 5 positions Movement number: 2’308’018 Case: 18k yellow gold, snap-on case back Case number: 224’741 Size: 51 mm diameter Signed: case signed by Gübelin and Daners, dial signed by Gübelin, movement signed by International Watch Co., Gübelin, and RD for Richard Daners Box: no Papers: no