Seiko 6309 Movement Details

Thumbnail image of Seiko movement 6309A. This one has corrosion on the weight of the rotor. Seiko calibre 6309 is an automatic watch movement. Production started around 1976 and production finished in 1988.
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Sub-brands: Seiko 5
Day / date?Day + date
GMT / world time?No
Chronograph?No
Hacking?No
Rate:21,600 bph
Number of jewels:17
Lift angle:54.5º
Size / diameter:27.0mm
Height:5.2mm
Development division:Suwa (Nagano Prefecture, Japan)
Notes:Identical to cal. 6306 except the 6306 has hacking, a higher jewel count (21 v. 17) and a Japanese kanji day wheel. Also the same as cal. 6308 but with day display (as well as date).
PDF guides: Technical guide : 6309A
Related movements: 6306 6308 6319 6349 7548

Part Codes

Stem code: 354601
Balance wheel code: 311601
Mainspring code: 401615

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