
The Hamilton 4992B watch movement is often used by brands such as Festa. While the specific differences between the 843 and 845 are not known, the 843 is a manual wind movement that includes a sub-second function.
The Hamilton 4992B features the following functions:
| Ronda Reference # | Shock System | Buy |
|---|
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.35 x 0.110 x 320 x 10.0 mm | Manual | Buy mainspring | |
| 1.30 x 0.105 x 360 x 10.5 mm | GR3271 | Manual | Buy mainspring |
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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| Part Description | Reference # | Alternate | Buy |
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