Swiss heavy 14K gold full hunter cased pocket watch Circa 1910

Gold watch with chronometer escapement
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A particularly heavy hunting cased chronometer pocket watch made in Switzerland, circa 1910. The case of this watch features three lids, all crafted from 14 carat gold, and has a numbered cuvette which is marked Chronomètre. The stepped white enamel dial is also marked Chronomètre and features Arabic hour numerals, an outer minute track, a subsidiary seconds dial at 6 o’clock and gold spade hands. The excellent quality glazed movement, marked Chronomètre à renversement, is fitted with a pivoted detent chronometer escapement, screwed gold chatons and a fine adjusting device.
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Diameter: 56.5 mm
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Weight: 128.5 g
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Signed: No name
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Chronomètre à renversement
A chronomètre à renversement is a pocket watch with a remontoir mechanism, which is a small secondary power source within the movement. In English, “renversement” translates to “reversal” or “overturning”, referring to the mechanism that is periodically rewound or reset by the mainspring. The purpose of a remontoire in a chronometer-grade watch is to:

Improve Accuracy: It provides a constant, uniform force to the escapement, isolating it from the fluctuations in power that occur as the mainspring unwinds.

Ensure Precision: This consistent power delivery helps the watch achieve the high level of precision required for chronometer certification, which historically was vital for navigation and scientific observation.

In essence, a chronomètre à renversement is a highly accurate timekeeper featuring this specific, advanced technical complication designed to enhance timekeeping stability.