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Seiko 6640-6000
The Seiko 6640-6000 watch movement features an Adjustable Stud Holder, providing enhanced precision for regulating the accuracy of the timepiece. The movement is equipped with Shock Protection, ensuring durability against external impact. It operates at a beat rate of 21600 vph, resulting in smooth and precise timekeeping. The movement incorporates 17 Jewels, which reduce friction and enhance the longevity of the watch.
The Seiko 6640-6000 features the following functions:
- Adjustable Stud Holder
- Shock Protection
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CANNON PINION, HT 2.15 | 240/962 | 240/AS 976 2.15 | Buy part |
| ESCAPE WHEEL, S/S | 705/951 | Buy part | |
| HOUR WHEEL, HT 1.28 | 250/780 | Buy part |
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