John Bennett London
pocket watch with chronometer escapement for the English market, c. 1876
Case: gold 750, savonette, numbered 46151, English gov. hallmark London c. 1876, diameter c. 51 mm
Movement: key and crown winding, chronometer escapement via spring, cylindrical hairspring, blued screws, four screwed chatons, diamond cap, number 46151, compensation balance
Dial: enamel, Roman numerals, small second
The chronometer escapement was developed as early as the mid-18th century by Pierre Le Roy. It is a free escapement, which due to the reduced friction losses, achieved a higher precision of movement. It was used for pocket watches and had even greater importance for marine chronometers.
Specialist: Günter Eichberger
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pocket watch with chronometer escapement for the English market, c. 1876
Case: gold 750, savonette, numbered 46151, English gov. hallmark London c. 1876, diameter c. 51 mm
Movement: key and crown winding, chronometer escapement via spring, cylindrical hairspring, blued screws, four screwed chatons, diamond cap, number 46151, compensation balance
Dial: enamel, Roman numerals, small second
The chronometer escapement was developed as early as the mid-18th century by Pierre Le Roy. It is a free escapement, which due to the reduced friction losses, achieved a higher precision of movement. It was used for pocket watches and had even greater importance for marine chronometers.
Specialist: Günter Eichberger
Sale price
Estimate
Time, Location
Auction House
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