Seiko 4402 Movement Details

Seiko caliber 4402 is a high grade hand winding watch movement. Production started around 1965.
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Sub-brands: King Seiko
Power reserve:46 hours
Day / date?Date only
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:18,000 bph
Number of jewels:25
Lift angle:52º
Size / diameter:25.6mm
Height:4.4mm
Stem code: 354001
Balance wheel code: 310680
Mainspring code: 401441
Date wheel code: 801441
Screw codes: 012122 (stud screw), 012208, 012222, 012223, 012226, 012256, 012258, 012328, 012341, 012407 (case screw), 012408, 012547, 012645, 012707, 012720 (dial screw)
Development division:Daini (Kameido, Tokyo)
Related movements: 44

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