Seiko 8306 Movement Details
Seiko caliber 8306 is an automatic (with hand winding) watch movement produced from around 1965.
Sub-brands: | Business-A, Weekdater, Seikomatic-R, Sea Lion, Seikomatic |
Day / date? | Day + date |
GMT / world time? | No |
Chronograph? | No |
Rate: | 18,000 bph |
Number of jewels: | 30 |
Size / diameter: | 28.6mm |
Height: | 4.8mm |
Development division: | Suwa (Nagano) |
Notes: | The same as cal. 8305 but with day display (as well as date). |
Related movements: | 830 8305 8346 840 |
Articles
- Seiko 8306-8020 [thewatchbloke.co.uk]
- The Seiko Calibre 8306A [thewatchspotblog.com]