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Seiko 6309-8740
The Seiko 6309-8740 watch movement features an adjustable stud holder, shock protection, sweep seconds, and operates at a beat rate of 18,000 vibrations per hour.
The Seiko 6309-8740 features the following functions:
- Adjustable Stud Holder
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 300 x 9.0 mm | GR3254 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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