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Futurematic E502 Porthole. The Futurematic is a self-winding [1] wrist watch without a crown. It was manufactured between 1951 and 1959 by the Swiss watch manufacturer Jaeger-LeCoultre. The Futurematic was the world's first watch without a crown for winding the mainspring, having a flat crown on the back that was used solely for setting the ...
Manufacture Jaeger-LeCoultre SA, or simply Jaeger-LeCoultre (French pronunciation: [ʒeʒɛʁ ləkultʁ]), [2] is a Swiss luxury watch and clock manufacturer founded by Antoine LeCoultre in 1833 and is based in Le Sentier, Switzerland. [3] Since 2000, the company has been a fully owned subsidiary of the Swiss luxury group Richemont. [4]
Jaeger-LeCoultre's Atmos clock on display. Atmos is the brand name of a mechanical torsion pendulum clock manufactured by Jaeger-LeCoultre in Switzerland. The clock gets the energy it needs to run from temperature changes in the environment and does not need to be wound manually. It can run for years without human intervention.
The parts most commonly showcased by a skeleton design are those exhibiting either the most movement or the most attractive design. These may include, but are not limited to the escapement, balance wheel and balance spring, mainspring, and tourbillon. Generally there is either no dial present in a skeleton clock, the dial is clear, or it has ...
In 1956 Jaeger-LeCoultre launched the K815 caliber, the world's first automatic alarm wristwatch, the Memovox Automatic. [2] The automatic winding of this watch had a pendulum, which rotated in an angle of about 110 °, It was limited by two springs and stored the energy in the barrel for the time function.
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TAG Heuer S.A., founded Heuer AG [a] (/ ˌ t æ ɡ ˈ h ɔɪ. ər / TAG HOY-ər) is a Swiss luxury watchmaker.Founded in 1860 by Edouard Heuer in St-Imier, Switzerland, it was acquired by Techniques d'Avant Garde in 1985, which purchased a majority stake in the company, forming TAG Heuer. [1]