Seiko 9923-7020
King Quartz Twin Quartz
What Should You Pay?
Estimated fair market values. Actual prices vary by condition, completeness, and seller.
The Seiko King Quartz 9923-7020 is a Twin Quartz model from the late 1970s featuring a distinctive sand-colored dial. Twin Quartz technology used two quartz crystals to achieve better accuracy than standard quartz movements of the era.
Specifications
Movement
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