8 jewels
The Seiko caliber 3X22 is a solar-powered quartz movement manufactured in Japan. It powers several Seiko Astron GPS models, including the 1969 Quartz Astron 50th Anniversary Limited Edition. The movement incorporates a digital display and uses GPS signal reception for automatic time adjustment. Production has been discontinued.
Last updated 8 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Solar
Jewel Count
8 jewels
Display Type
Analog
Winding
Solar
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