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Seiko 6660-7020
Ligne: 8.75'''
The Seiko 6660-7020 watch movement features a sweep seconds function, allowing for the smooth and continuous motion of the seconds hand.
The Seiko 6660-7020 features the following functions:
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.090 x 240 x 7.5 mm | GR3218 | 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) |
|---|
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