Collector's Pocket Watches, Wristwatc...
Noga Hilton, Geneva, Apr 12, 2003
LOT 243
2 Breguet manuscripts:Important reflections on an astronomical clock by Perrelet indicating both sidereal time and solar mean time.One page, recto-verso.
CHF 2,000 - 3,000
EUR 1,400 - 2,000 / USD 1,500 - 2,200
