Important Collectors Wristwatches, P...
Geneva, Hotel Des Bergues, Oct 20, 1991
LOT 35
New York Standard Watch Co. No. 17070.
CHF 600 - 800
Sold: CHF 1,610
Unusual nickel watch with the Clay Hanson worm lever escapement, patented Jan. 18, 1887 and June 28, 1887. Original case, without dial and hands. Chamb. p.104-105. O.T.L. No. 65. F. Balavoine, Swiss. Nickel movement with the Balavoine's variant of the lever escapement, patented circa 1885, the interior of the fork is a cylindrical shell of gold. Without dial. Chamb. p.96 to 98. O.T.L. No. 61, illustration No. 11.
