Seiko 5621 Movement Details

Seiko caliber 5621 is a high grade automatic watch movement. Production was in the 1970s.
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Sub-brands: King Seiko
Day / date?No
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:28,800 bph
Number of jewels:25
Lift angle:56º
Development division:Suwa (Nagano Prefecture, Japan)
Related movements: 5625 5626