Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, Nov 12, 2006

LOT 14

?Day and Night Calendar? Hahn a Echter Dingen. Made circa 1800. Extremely fine, rare and unusual, large, astronomic, 18K gold pocket watch with dead center seconds, date and month calendar, day and night indication, exposed mainspring and large half-second beating balance.

CHF 70,000 - 90,000

EUR 45,000 - 57,000 / USD 55,000 - 72,000

Sold: CHF 152,500

C. Two-body, ?Directoire?, polished. D. White enamel with small eccentric meantime dial, radial Roman numerals, outer dot minute divisions and Arabic quarter-hour numerals, outer dot seconds divisions and Arabic 15-second numerals, subsiairy dials for the date concentric with the months and their respective number of days, day and night dial concentric with astrological symbols. Gold ?arrow? hands. M. 55 mm., gilt brass full plate, engraved border, cylindrical pillars, going barrel with exposed mainspring enclosed within an aperture within the backplate, cylinder escapement, halfsecond beating five-arm brass balance, faceted red endstone, the mainspring and balance secured by a pierced circular plate above the backplate, index regulator. Dial and movement signed. Diam. 62 mm. Property of a European Collector


LOADING IMAGES
Click to full view
Image
Grading System
Grade:
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3-01

Good

HANDS Original

Notes

Hahn The brothers Hahn, Christian Gottfried (born 1769), Christoph Matthaüs (1767-1833), Johann Georg, and Immanuel, worked in the workshop of their father Philipp Matthaüs Hahn of Onstmettingen, Kornwestheim, and Echterdingen. Christian Gottfried and Christoph Matthaüs went on to become "Hofmechanikus" (court mechanicians) in Stuttgart. Christian Gottfried was later recorded in Berlin, Germany, and in America.