Seiko 2101 Movement Details

Seiko caliber 2101 is an automatic watch movement. Production started around 1963.
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GMT / world time?No
Chronograph?No
Rate:19,800 bph
Number of jewels:21
Size / diameter:6 3/4 x 8 lignes or 15.5 x 17.9mm
Notes:Probably the first ladies automatic watch.

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