
The Ronda 1238-21 watch movement was produced in 1990 as part of the Louis Brandt Collection. This movement is an automatic movement with a sweep second function. It features a perpetual calendar with various hands for day, date, and month, set by corresponding pushers at specific hours. Additionally, the moon phase can be set by a pusher at 4:30h, and the year/leap year is displayed on a disc at 9h, set with the month pusher. The movement also includes a hack feature. The Ronda 1238-21 movement was utilized circa 1987. For further technical details, please refer to the Omega 1111.
The Ronda 1238-21 features the following functions:
| Ronda Reference # | Shock System | Buy |
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| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.05 x 0.115 x 475 x 10.5 mm | Auto | 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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