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Seiko 7S26-2040
The Seiko 7S26-2040 watch movement features a sweep seconds function, calendar function, and operates at a beat rate of 21600 vph.
The Seiko 7S26-2040 features the following functions:
- Calendar
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.10 x 0.120 x 380 x 11.0 mm | GR2655 | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CANNON PINION, SS HT 2.60 | 245/1052 | 242/ETE 1478K | Buy part |
| MAINSPRING | 770/ETE 1486 | Buy part | |
| STAFF, SHOCK STAFF BALANCE .90 | 100/2581 | Buy part | |
| STEM | 200/1242F | Buy part |
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