Seiko 6159 Movement Details

Seiko caliber 6159 is an automatic watch movement produced from around 1968.
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Day / date?Date only
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:36,000 bph
Number of jewels:25
Lift angle:52.4º
Size / diameter:27.0mm
Height:5.65mm
Stem code: 372617 (movement side), 373618 (crown side)
Balance wheel code: 310617
Mainspring code: 201595
Date wheel code: 801610
Screw codes: 022150 (stud screw), 022252, 022269, 022270, 022271, 022351, 022372, 022458 (screw for oscillating weight), 022468, 022662, 022677, 022689, 022760, 022761 (dial screw)
Development division:Suwa (Nagano)
Notes:Used in early diving watches, including the original "tuna".
PDF guides: Technical guide for 6159B
Related movements: 6106

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