Seiko 7009 Movement Details

Seiko caliber 7009 is an automatic watch movement. Production started around 1975 and production finished in 1996.
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Power reserve:	40 hours
Day / date?	Day + date
GMT / world time?	No
Chronograph?	No
Hacking?	No
Rate:	21,600 bph
Number of jewels:	17
Lift angle:	53º
Size / diameter:	27.0mm
Height:	4.9mm
Development division:	Daini (Kameido, Tokyo, Japan)
Notes:	An updated version of cal. 7006. The day function was upgraded to quickset – push in the crown to advance the day. In production for over 20 years, this is one of Seiko's longest-produced movements. (Thanks to the anonymous reader for the information.)
PDF guides:	Technical guide : 7009A
Related movements:	7002 7005 7006 Y621

Part Codes

Stem code:	354022 (short, tap 10)
Balance wheel code:	310020
Mainspring code:	201024
Date wheel code:	801008 (black on white)
Screw codes:	012066, 012123 (stud screw), 012354, 012420, 012424, 012539 (second reduction wheel screw), 012736, 012919 (ratchet wheel screw)