Ads
related to: most accurate seiko
Search results
Results From The WOW.Com Content Network
In 1960, Seiko released the Grand Seiko, aimed to be the most accurate wristwatch in the world. [5] Seiko quickly developed quartz technology in preparation for the 1964 Tokyo Olympics, and in 1963 launched the Seiko Crystal Chronometer, a dramatically smaller version of its previous quartz clock. The quartz clock Seiko had supplied to a ...
[47] [52] In December 1969, Seiko produced the world's first commercial quartz wristwatch, the Seiko Quartz-Astron 35SQ [53] [54] which is now honored with IEEE Milestone. [55] [56] The Astron had a quartz oscillator with a frequency of 8,192 Hz and was accurate to 0.2 seconds per day, 5 seconds per month, or 1 minute per year. The Astron was ...
Quartz Movement of the Seiko Astron (1969) 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. [43]
The world's most accurate wristwatch. 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. The electronic timepiece was the most accurate wristwatch in the world at the time, guaranteed to be accurate within ...
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. Within one week 100 gold watches had been sold, at a retail price of 450,000 yen ( US$1,250 (equivalent to $10,386 in 2023)) each (at the time, equivalent to ...
For premium support please call: 800-290-4726 more ways to reach us