Seiko 2118 Movement Details

Seiko caliber 2118 is a hand winding watch movement.
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Sub-brands: Chorus
Day / date?Date only
GMT / world time?No
Rate:19,800 bph
Number of jewels:17, 21 or 23
Lift angle:55º
Size / diameter:17.8mm x 15.3mm
Stem code: 351046
Balance wheel code: 310210
Mainspring code: 401230
Development division:Daini (Kameido, Tokyo)
Notes:Used in ladies watches.
PDF guides: Technical guide : 2118A
Related movements: 21