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Return To ShopThe Longines 4L mechanical watch movement features KIF Shock Protection, which enhances its durability and stability.
The Longines 4L features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.060 x 220 x 6.0 mm | GR3562 | Manual | Buy mainspring |
| 1.40 x 0.065 x 220 x 6.0 mm | GR3568 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
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