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* [[Piaget]] introduces their [[micro-rotor]] [[Piaget 12P|12P]], the thinnest [[automatic]] movement in the world at just 2.33 mm. | * [[Piaget]] introduces their [[micro-rotor]] [[Piaget 12P|12P]], the thinnest [[automatic]] movement in the world at just 2.33 mm. | ||
* Deaths: [[Louis Courvoisier]] of [[Longines]] | |||
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[[Category:Year]] | [[Category:Year]] | ||
Latest revision as of 01:16, 13 September 2023
- Hans and Erwin Kurtz develop the pioneering concept DS (Double Security) at Certina, in which the movement is included in a kind of highly robust safe. As a result of this wristwatches with self-winding movements can for the first time resist a free fall from 1.8 to 2.2 meters on hard ground.
- Mido introduces the revolutionary one-shell-case with the Star Ocean. Hereby the current problems of the case to be waterproof can be eliminated.
- Piaget introduces their micro-rotor 12P, the thinnest automatic movement in the world at just 2.33 mm.
- Deaths: Louis Courvoisier of Longines