Seiko 6300

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The 6300 series was a family of mechanical watch movements from Seiko in the 1980's.

Produced from 1984, the 6300 family was based on the earlier 6100 family. It ran at 21,600 A/h and used an automatic winding mechanism, Seiko's Magic Lever.

Winding Speed Model Jewels Notes
Automatic 21600 6308A 17 Date
6309A Day/date
6319A 21


Automatic movement
Ball bearing rotor


Hours, minutes, central seconds
Quickset date window
Optional quickset bilingual day window


Diameter: 12 ligne (27.0 mm), H: 5.35 mm
17 or 21 jewels
21,600 A/h
Power reserve: 47 Hours

Production period: