Universal Geneve caliber 281
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| Brand: | Universal Geneve |
|---|---|
| Reference: | 281 |
| Movement: | Handwound |
| Display: | Analog |
| Diameter: | 28.50 |
| Jewels: | 17 |
| Reserve: | 36 |
| Frequency: | 18000 |
| Chronograph: | Chronograph, Column wheel |
| Hands: | Hours, Minutes, Small Seconds |
281 description
The Universal Genève Caliber 281 is a manual-winding chronograph movement developed and produced by Universal Genève during the mid-20th century. It belongs to the brand’s family of column-wheel chronographs, a series that also included calibers 283, 285, and 287, and formed the technical foundation of the Compax and Tri-Compax lines.
Measuring 28.5 mm in diameter and 7.10 mm in height, Caliber 281 operates at a frequency of 18,000 vibrations per hour (2.5 Hz). The movement is equipped with a horizontal clutch and a column-wheel switching mechanism, controlling indications for hours, minutes, small seconds, central chronograph seconds, 30-minute counter, and 12-hour counter.
Finishing typically included anglage on the bridges, circular graining on the main plate, and blued screws, in keeping with the standards of Swiss chronograph production of the period. Power reserve is approximately 36 hours.
Used extensively in the Universal Genève Compax chronographs of the 1950s and 1960s, Caliber 281 is recognized for its compact proportions, robust architecture, and smooth pusher feel—traits that made it one of the defining hand-wound chronograph movements of its era.
All watches using the Universal Geneve 281 movement:

