Seiko 1719 Movement Details

Seiko caliber 1719 is a hand winding watch movement. Production was in the 1960s.
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Sub-brands: Socie
Day / date?No
GMT / world time?No
Rate:21,600 bph
Size / diameter:13.5mm
Development division:Daini (Kameido, Tokyo, Japan)
Notes:The stem/crown is on the back of the movement, not the side.