Online Auction

Hong Kong, Feb 27, 2020

LOT 130

Unsigned - Pocket chronometer, pivoted detent escapement, patented regulator; white metal

HKD 2,400 - 3,900

USD 300 - 500 / EUR 300 - 500 / CHF 300 - 500

TO BE SOLD WITHOUT RESERVE

White metal, open-face, keyless-winding, round-shaped, pocket chronometer movement in a working-case, with subsidiary seconds at 6.


Grading System
Grade: A

Good

Case: 3

Good

Movement: 3 *
Dial: 3-70-01

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairline

HANDS Original

Brand Unsigned, Swiss

Year circa 1900

Movement No. unnumbered

Case No. unnumbered

Material white metal

Diameter 54 mm.

Caliber 20’’’, pivoted detent escapement, cylindrical hairspring, patented regulator

Notes

Movement based on the Swiss invention patent No. 21 639, delivered on November 3, 1900, to Charles Rosat, Le Locle, for a “Coq avec piton porte-spiral mobile.” (Balance-cock with mobile hairspring holder balance-spring stub).