Seiko 1120 Movement Details

Seiko calibre 1120 is a hand winding watch movement. Production started around 1970.
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Sub-brands: Queen Seiko, Belfina
Day / date?No
GMT / world time?No
Chronograph?No
Rate:28,800 bph
Number of jewels:23
Development division:Daini (Kameido, Tokyo, Japan)