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ETA 804.121
The ETA 804.121 watch movement features an alarm function, allowing the user to set an audible alarm at a specified time interval. Additionally, it incorporates a sweep seconds hand, which provides continuous and precise measurement of time in seconds.
The ETA 804.121 features the following functions:
- Alarm Complication
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.130 x 420 x 12.0 mm | GR4568 | Manual | Buy mainspring |
| 1.40 x 0.110 x 260 x 8.0 mm | GR3696 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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