Lot 1362 - A190 Mobilier, Porcelaine & Argenterie - jeudi, 26. septembre 2019, 10h00


Munich, 1904. The dial signed S. RIEFLER MÜNCHEN D.R.P. No 50739 D.R.P. No 100870 and dated 1904 and numbered 78.
Solid brass pillar movement in an air-tight glass vessel with constant inner pressure. Clock dial with large minute ring and 2 smaller 24-hour and second chapter rings. Steel hands. Movement with Riefler spring-force escapement and electric winding mechanism. Heavy pendulum. Movement, may require revision.
H 146 cm, D 35 cm.

Very rare museum-quality clock which, in its time, was one of the most precise clocks in the world with an accuracy of less than one tenth of a second.

Sigmund Riefler, born on 9 August 1847, was a well-known German physicist and precision watchmaker. After his studies at the Technical University and the University of Munich, he turned to precision watchmaking in 1888 and completed his first precision pendulum clock in 1889. In addition to an almost temperature-constant Invar pendulum, he developed a gravity escapement and a spring-force escapement for pendulum clocks. He died in Munich on 21 October 1912 at the age of 65.

CHF 20 000 / 30 000

€ 18 690 / 28 040

Vendu pour CHF 51 540 (frais inclus)
Aucune responsabilité n'est prise quant à l´exactitude de ces informations.