Seiko 5126 Movement Details

Seiko caliber 5126 is an automatic watch movement. Production started around 1969 and production finished in 1971.
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Sub-brands:	Seiko 5
Day / date?	Day + date
GMT / world time?	No
Chronograph?	No
Hacking?	No
Rate:	19,800 bph
Number of jewels:	23
Size / diameter:	25.6mm
Height:	5.3mm
Development division:	Daini (Kameido, Tokyo, Japan)
Notes:	Produced for the Japanese domestic market (JDM).
Related movements:	5106 5146

Part Codes

Stem code:	354016, 357001
Balance wheel code:	310003
Mainspring code:	401013
Date wheel code:	801003
Screw codes:	012123 (stud screw), 012237, 012262, 012263, 012327, 012346, 012347, 012412, 012413 (screw for oscillating weight), 012508, 012658, 012660, 012701, 012718, 012724 (dial screw), 012726 (case screw), 012728