Seiko 3B21 Movement Details
Seiko caliber 3B21 is an analog solar radio-controlled watch movement.
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Sub-brands: | Spirit, Lukia, Dolce |
Day / date? | No |
GMT / world time? | No |
Chronograph? | No |
Rate: | 32,768 Hz |
Notes: | Used in ladies watches. |
PDF guides: | |
Related movements: | 3B51 |