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A Patek Philippe pocket watch. This list of most expensive watches sold at auction documents the watches sold at auction worldwide for at least 1.5 million US dollars.The final price listed is the total price paid by the buyer converted to US dollars, according to the currency exchange rate at the time of auction.
In 2005, Richard Mille and the French designer Philippe Starck made their first collaboration, producing a single "RM 005-1 Richard Mille by Philippe Stark", which was sold at auction in Monaco for €285,000, the highest price for an automatic watch at that time, for the benefit of the charity association Only Watch.
Another limited-edition Richard Mille watch, with a diamond-set skull, will be the first of its kind to be brought to auction and is expected to fetch up to $1 million, according to Christie’s. ...
A watch timing machine or timegrapher is a machine that acoustically measures the ticks of a mechanical watch to assess its accuracy and enable calibration.
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A modern watchmaker at his workstation; he wears a magnifying loupe to more easily see the small parts of a watch A watchmaker's lathe in use to prepare a decorative watch component cut from copper. A watchmaker is an artisan who makes and repairs watches. Since a majority of watches are now factory-made, most modern watchmakers only repair ...
Beckman Model M pH Meter, 1937 [1] Beckman model 72 pH meter, 1960 781 pH/Ion Meter pH meter by Metrohm. A pH meter is a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH. [2]
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