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The Encyclopedia of Horology

Source catalogue · individual objects

Object Catalogue

Individual objects described by auction houses, specialist dealers and collection catalogues. Attribution, dates and specifications remain source-reported unless independently established; rights clearance is pending.

Browse makers and their key pieces · Joseph Thaddäus Winnerl profile

2 of 5699 objects · Page 1 of 1

Three-quarter view of the deck chronometer clock recessed in an open wooden box

Marine chronometer · Deck watch & deck chronometer

Winnerl gilt metal open face key wind deck chronometer clock in a wooden box

According to the auction record, this object is a gilt metal open-face key-wind deck chronometer clock housed in a wooden box, dated to circa 1900 and attributed to Winnerl. The chronometer dial is recessed into an inner wooden deck beneath an upright hinged cover with brass piano-style hinges. The light dial features Roman numeral hour chapters, subsidiary indications, and dark hands within a circular brass bezel. The exterior front of the wooden box is fitted with two round metal buttons and an unengraved brass plaque.

Full description

www.bonhams.com · 3109

The Winnerl marine chronometer displayed within its mahogany box with the sliding lid removed.

Marine chronometer · Marine chronometer (duration not stated)

Winnerl Marine Chronometer No. 259

This small marine chronometer, identified as number 259, is attributed to the maker Winnerl and dated to circa 1840. The instrument features a 49-hour going movement housed within a circular gimballed suspension and a brass bowl. The exterior consists of a two-part solid mahogany box equipped with a sliding observation lid and external brass handles. The silvered dial is marked with Roman numerals and includes a subsidiary seconds register alongside an Up-and-Down power reserve scale. The movement is a brass spotted finished full plate construction, relieved for the barrel and secured with cylindrical pillars and screws. It utilizes a fusee with maintaining power, an Earnshaw-type spring detent escapement, and a two-armed bimetallic compensation balance with cylindrical weights and timing screws. The balance spring is a free-sprung blued steel helical type with terminal curves. A rate certificate issued by L. Leroy & Cie in July 1907 accompanies the object.

Full description

catalog.antiquorum.swiss · 85