Marine chronometer · Deck chronometer clock

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

Partially verified

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.

Three-quarter view of the deck chronometer clock recessed in an open wooden box — Bonhams Cornette de Saint Cyr. Rights pending — permission not yet requested. Original source

Catalogue identity

Source: www.bonhams.com
Category: Marine chronometer · Deck chronometer clock
Maker / attribution: Winnerl
Reference: Not recorded
Catalogue / lot identifier: 3109
Source-reported date: Circa 1900
Country: Not established

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Identity and Attribution

The auction title lists this piece as an open-face key-wind deck chronometer clock in a wooden box, designated in French as 'Horloge chronomètre de pont en métal doré à cadran ouvert dans son écrin en bois remontoir à clé'. The catalog attributes the piece to 'Winnerl' and dates it to circa 1900 ('Circa 1900').

The catalog specifies that the instrument is cased in gilt metal ('métal doré') and wound by key ('remontoir à clé'). No full signature or serial number is transcribed in the listing text or legible in the accompanying photograph, leaving the maker attribution and date solely as source-reported details.

Evidence for this section

“Winnerl. A gilt metal open face key wind deck chronometer clock in a wooden box”
“Winnerl. Horloge chronomètre de pont en métal doré à cadran ouvert dans son écrin en bois remontoir à clé Circa 1900”
“Circa 1900”
“remontoir à clé”

Case and Housing Construction

Visible observation shows a rectangular wooden chronometer case with an upper lid opening on brass hinges. The chronometer sits recessed within a circular well on an inner wooden tier.

The front face of the wooden box is fitted with a blank rectangular brass plaque secured by screws and two round metal push or pull buttons. The watch or clock bezel holding the open-face dial is circular and metal.

Evidence for this section

“Hinged rectangular wooden chronometer case with an upper lid opening along brass hinges.”
“Dial recessed within a concave circular well in an inner wooden tier.”
“Front face of the box features a blank rectangular brass plaque secured by screws and two metal push or pull buttons.”

Dial and Mechanism Documentation

The visible dial is light-toned—white or silvered—with dark Roman numerals marking the hours, dark hands, and at least one subsidiary dial. Fine dial inscriptions and signatures are not clearly resolvable at the current image resolution.

The internal movement, escapement, and case back are not shown in the source documentation or image. As a result, technical movement details, such as the escapement configuration, balance assembly, or internal markings, are not recorded in this source beyond the stated key-wind operation.

Evidence for this section

“White or silvered dial with black Roman numerals and at least one subsidiary dial.”
“remontoir à clé”

Open research questions

What specific signature, numbering, or text is engraved on the dial or movement?
What style of escapement and balance is utilized in the movement?
Does the brass plaque on the front of the wooden box bear faint or polished-out markings?

Source evidence

Recorded claims and source quotations for Winnerl gilt metal open face key wind deck chronometer clock in a wooden box
Field	Source-reported value	Source quotation
Maker	Winnerl	“Winnerl. A gilt metal open face key wind deck chronometer clock in a wooden box”
Type	Deck chronometer clock	“Horloge chronomètre de pont en métal doré à cadran ouvert dans son écrin en bois”
Winding	Key wind	“remontoir à clé”
Date	Circa 1900	“Circa 1900”
Case Material	Gilt metal (in wooden box)	“Horloge chronomètre de pont en métal doré à cadran ouvert dans son écrin en bois”

Visible details

Hinged rectangular wooden chronometer case with an upper lid opening along brass hinges.
Dial recessed within a concave circular well in an inner wooden tier.
White or silvered dial with black Roman numerals and at least one subsidiary dial.
Front face of the box features a blank rectangular brass plaque secured by screws and two metal push or pull buttons.

Research qualifications

Internal movement, escapement, and case back are not visible in the provided image.
Dial text and signature details are not distinctly legible at current resolution.
Date and maker attribution are source-reported and not independently verified from movement markings.

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Bonhams Cornette de Saint Cyr : Winnerl. A gilt metal open face key wind deck chronometer clock in a wooden box Winnerl. Horloge chronomètre de pont en métal doré à cadran ouvert dans son écrin en bois remontoir à clé Circa 1900

Reviewed 2026-10-21 · Record 3160476f15

Terms in this record

Glossary explanations for terms named in this object’s record.