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In the 1950s, Speidel invested heavily in the development of automatic equipment to produce a bracelet similar to the German Fixo-Flex watchband. [39] A German manufacturer had sent the first version of the Fixo-Flex to Paul Levinger who had worked out a license contract with the inventor who held the German patent, Karl E. Stiegle [ citation ...
[23] [5] In 1974, Seiko launched Credor, a luxury brand using precious metals and jewelry, and in 1979, Alba, a low-priced brand for young people. [23] In 1985, Orient and Seiko established a joint factory. In 1986, Baselworld allowed non-European manufacturers to participate, and Seiko began exhibiting that year. [23] Kinetic SMY151P1
A Grand Seiko Automatic watch A self-winding or automatic watch is one that rewinds the mainspring of a mechanical movement by the natural motions of the wearer's body. The first self-winding mechanism was invented for pocket watches in 1770 by Abraham-Louis Perrelet, [ 57 ] but the first " self-winding ", or "automatic", wristwatch was the ...
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In 1937, Daini Seikosha Co., Ltd. (第二精工舎, Dai-ni-seikōsha), literally the second workshop for manufacturing Seiko timepieces, was established in Kamedo, Kōtō, Tokyo as a spin-off of the watch manufacturing division from Seikosha (精工舎, Seikōsha), so had been making the Seiko watches until 2020. The company changed its name to ...
In 2010, Bulova introduced the Precisionist, a new type of quartz watch with a higher frequency crystal (262 144 Hz, eight times the industry standard 32 768 Hz) which is claimed to be accurate to ±10 seconds per year (0.32 ppm) and has a smooth sweeping seconds hand like automatic watches rather than the typical quartz watch seconds hand that ...
The company has developed many timepiece technologies, such as the world's first portable quartz timer (Seiko QC-951) in 1963, the world's first quartz watch (Seiko Quartz Astron 35SQ) in 1969, the first automatic power-generating quartz watch (Seiko Auto-Quartz) in 1988, and the Spring Drive watch movement in 1999.
A slap bracelet (or snap bracelet) is a bracelet invented by Wisconsin teacher Stuart Anders in 1983, sold originally under the brand name of "Slap Wrap". Consisting of layered, flexible stainless steel bistable spring bands sealed within a fabric , silicone , or plastic cover, it can snap around a wrist when slapped on it with some force.