Details
AN EMPIRE ORMOLU CHRONOMETER COACH WATCH WITH DOUBLE-S BALANCE
Jn. U. Etter
The white enamel regulator dial signed Jn. U. Etter with outer Arabic minute ring with sweep blued steel counterpoised moon hand, eccentric subsidiary dials for seconds and hours, the gilt twin-plate movement with the larger sub-section carrying the chain fusee and barrel with maintaining power, the backplate signed Jn. U. Etter, the smaller subsidiary section carrying the wheel train and escapement with blued steel helical spring to unusual steel and brass double-S balance with four timing screws, the escapement with two opposite crown-geared 'scape wheels, stop lever extending to a thumbpiece on the plain band of the drum case surmounted by a large ring pendant, elaborate foliate cast and rope-twist mask to the dial, solid rear hinged door
120 mm. diam.
Literature
Anthony G. Randall, The Time Museum Catalogue of Chronometers, Illinois, 1991, pp. 171/2, Cat. No. 63
Hans Von Bertele, Marine and Pocket Chronometers, Schiffer, 1991, p. 146, figs. 130a/b
