Seiko 6309 Movement Details

Seiko caliber 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
Rate:21,600 bph
Number of jewels:17
Lift angle:54.5º
Size / diameter:27.0mm
Development division:Suwa (Nagano Prefecture)
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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