Seiko 6146 Movement Details

Seiko caliber 6146 is a high grade automatic watch movement. Production started around 1968.
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Sub-brands: Grand Seiko
Day / date?Day + date
GMT / world time?No
Chronograph?No
Hacking?Yes
Rate:36,000 bph
Number of jewels:25
Size / diameter:27.0mm
Height:5.6mm
Stem code: 354615
Balance wheel code: 310615
Mainspring code: 201615
Date wheel code: 801615
Screw codes: 022150 (stud screw), 022252, 022268, 022269, 022270, 022271, 022351, 022372, 022468, 022662, 022677, 022758 (dial screw), 022760, 022772
Development division:Suwa (Nagano)
Notes:The same as cal. 6145 but with day display (as well as date).
Related movements: 6145 6155 6156

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