Seiko 7017 Movement Details

Seiko caliber 7017 is an automatic watch movement. Production started around 1970 and production finished in 1972.
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Sub-brands:	Speed Timer, Seiko 5
Day / date?	Day + date
GMT / world time?	No
Chronograph?	Yes
Rate:	21,600 bph
Number of jewels:	21
Lift angle:	53º
Size / diameter:	27.0mm
Height:	5.9mm
Development division:	Daini (Kameido, Tokyo, Japan)
Notes:	Claimed to be the world's thinnest chronograph movement when it was released. It's a flyback chronograph, meaning the counting hand can be reset to zero while still running.
Related movements:	7005 7016 7018

Part Codes

Stem code:	354022 (short, tap 10), 357002
Balance wheel code:	310020
Mainspring code:	201046
Date wheel code:	801010
Screw codes:	012123 (stud screw), 012277, 012281, 012354, 012415, 012417, 012423, 012424, 012539 (second reduction wheel screw), 012736, 012919 (ratchet wheel screw)