Astron (wristwatch)

Astron35 SQ AstronElectronic Quartz WristwatchSeiko AstronSeiko Quartz Astron 35SQSeiko Quartz-Astron 35SQSeiko-Quartz Astron 35SQ
The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch.wikipedia
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Watch

wristwatchwatchesdigital watch
The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch.
The introduction of the quartz watch in 1967, (the Beta 1 and the Astron) was a revolutionary improvement in watch technology.

Quartz clock

quartz watchquartzquartz movement
The Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch.
The world's first prototype analog quartz wristwatches were revealed in 1967: the Beta 1 revealed by the Centre Electronique Horloger (CEH) in Neuchâtel Switzerland, and the prototype of the Astron revealed by Seiko in Japan (Seiko had been working on quartz clocks since 1958).

List of IEEE milestones

IEEE MilestoneIEEE MilestonesIEEE Milestone in Electrical Engineering
It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.
1969 – Electronic Quartz Wristwatch

Seiko Epson

EpsonSeiko Epson CorporationEpson America
The Astron was unveiled in Tokyo on December 25, 1969, after ten years of research and development at Suwa Seikosha (currently named Seiko Epson), a manufacturing company of Seiko Group.
In particular, it developed 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.

Seiko Group

The Astron was unveiled in Tokyo on December 25, 1969, after ten years of research and development at Suwa Seikosha (currently named Seiko Epson), a manufacturing company of Seiko Group.
Astron (wristwatch)

Electrical engineering

electrical engineerelectricalelectrical engineers
It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.

Tokyo

Tokyo, JapanTokyo MetropolisTōkyō
The Astron was unveiled in Tokyo on December 25, 1969, after ten years of research and development at Suwa Seikosha (currently named Seiko Epson), a manufacturing company of Seiko Group.

Seikosha

Suwa SeikoshaDaini SeikoshaSuwa Seikosha Co., Ltd
The Astron was unveiled in Tokyo on December 25, 1969, after ten years of research and development at Suwa Seikosha (currently named Seiko Epson), a manufacturing company of Seiko Group.

Japanese yen

¥yenJPY
Within one week 100 gold watches had been sold, at a retail price of 450,000 yen (US$1,250) each (at the time, equivalent to the price of a medium-sized car).

Integrated circuit

integrated circuitsmicrochipchip
Essential elements included a Y-type quartz oscillator of 8192 cps, a hybrid integrated circuit, and a phase locked ultra-small stepping motor to turn its hands.

Stepper motor

stepping motorstepper motorsbipolar stepper motor
Essential elements included a Y-type quartz oscillator of 8192 cps, a hybrid integrated circuit, and a phase locked ultra-small stepping motor to turn its hands.

Baselworld

Basel Watch FairBasel FairBasel Watch and Jewellery Fair
In March 2010, at the BaselWorld watch fair and trade show in Switzerland, Seiko previewed a limited edition new version and related designs of the original Astron watch, commemorating the fortieth anniversary in December 2009 of the debut of the Astron watch.

Smithsonian Institution

SmithsonianThe SmithsonianSmithsonian Museum
"Seiko Quartz 35 SQ: The Seiko 35 SQ Astron was the first quartz watch on the market", Smithsonian Institution website.

Seiko

Hattori SeikoHattori Seiko Co.lorus
In 1969, Seiko introduced the Astron, the world's first production quartz watch; when it was introduced, it cost the same as a medium-sized car.

Omega Electroquartz

The first production watches were introduced to the market in 1970 very shortly after the world's first commercial quartz wristwatch, the Seiko-Quartz Astron 35SQ in December 1969.

Electric watch

electromechanical watchelectronic watchelectronic watches
Hamilton would be the first to produce and retail an electric watch beginning in 1957, before the commercial introduction of the quartz wristwatch in 1969 by Seiko with the Astron.

Clock

clockstimepiecemechanical clock
In 1969, Seiko produced the world's first quartz wristwatch, the Astron.

Quartz crisis

Quartz Revolutionadventchallenge
On 25 December 1969, Seiko unveiled the quartz Astron, the world's first quartz watch.

Mechanical Engineering Heritage (Japan)

Mechanical Engineering Heritage Mechanical Engineering Heritage sites
No. 66: Japan-made Wristwatches which Showed Remarkable Technological Innovations. Japan adopted Western style timekeeping system from traditional Japanese time system in 1873. Founder of Seiko, Kintaro Hattori, started in 1982 and produced pocket watch in 1985, first Japanese wrist watch Seiko Laurel in 1913, watch Grand Seiko, in 1960, was accurate as Switzerland Chronometer watch then the world's first quartz clock wristwatch Seiko Quartz-Astron 35SQ in 1969. - Tokyo

Astron

Astron (wristwatch), the world's first quartz wristwatch by Seiko

History of watches

lever escapement
The first quartz watch to enter production was the Seiko 35 SQ Astron, which hit the shelves on 25 December 1969, which was the world's most accurate wristwatch to date.

History of timekeeping devices

timekeepingtimingclock
In 1969, Seiko produced the world's first quartz wristwatch, the Astron.

December 1969

*Seiko, the Japanese electronics manufacturer, introduced the world's first quartz clock wristwatch, the Astron (officially, the "Seiko Quartz-Astron 35SQ"), at a press conference in Tokyo.

List of Japanese inventions and discoveries

Japanese origin
The world's first quartz wristwatch was revealed in 1967: the prototype of the Astron revealed by Seiko in Japan, where it was in development since 1958. It was eventually released to the public in 1969.