File:Seiko 35A.jpg
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Seiko_35A.jpg (456 × 456 pixels, file size: 34 KB, MIME type: image/jpeg)
Summary
| Description |
Deutsch: Erstes Quarzarmbanduhrwerk Kal. 35A, Nr. 00234, Seiko, Japan, 1969 (Deutsches Uhrenmuseum, Inv. 2010-006)
English: First quartz wristwatch movement, used in the Seiko Astron, Caliber 35A, Nr. 00234, Seiko, Japan, 1969 (German Clock Museum, Inv. 2010-006). Essential elements included a XY-type quartz oscillator of 8,192 Hz (8,192 = 213), a hybrid integrated circuit, and a phase locked ultra-small stepping motor to turn its hands. According to Seiko, it was accurate to ±5 seconds per month or one minute per year, and its battery life was 1 year or longer.[1] |
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| Date | |||
| Source | Deutsches Uhrenmuseum | ||
| Author | Museumsfoto | ||
| Permission (Reusing this file) |
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Licensing
This file is licensed under the Creative Commons Attribution 3.0 Germany license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- ↑ Seiko Quartz Astron 35SQ. Seiko Epson Corporation. Archived from the original on 2020-01-22. Retrieved on 2018-01-22.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:27, 6 December 2012 | | 456 × 456 (34 KB) | wikimediacommons>Ras67 | losslessly cropped with Jpegcrop |
