Seiko 3180 Movement Details

Seiko caliber 3180 is a high grade hand winding watch movement. Production started around 1960.
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Sub-brands:	Grand Seiko
Power reserve:	45 hours
Day / date?	No
GMT / world time?	No
Chronograph?	No
Hacking?	Yes
Rate:	18,000 bph
Number of jewels:	25
Size / diameter:	27.6mm
Height:	4.4mm
Development division:	Suwa (Nagano Prefecture, Japan)
Notes:	This movement powered the first Grand Seiko.
Related movements:	341 430 560 5722 5740

Part Codes

Stem code:	351572
Balance wheel code:	310640
Mainspring code:	401640
Screw codes:	022150 (stud screw), 022151, 022255, 022259, 022264 (dial screw), 022352, 022451 (case screw), 022453, 022578, 022652, 022657, 022754, 022854