| Manufacturer | U-Boat |
| Caliber Number | U-28 |
| Base Caliber | ETA 2824-2 |
| Vibrations Per Hour | 28,800 bph |
| Power Reserve | 38 hours |
| Jewels | 25 |
| Functions | Hours, minutes, seconds, date |
| Country of Manufacture | Switzerland |
| Known Models |
U-1001 (ref 6949) |
According to U-Boat this movement was:
…modified and personalized to U-Boat specifications for stem position at 9 o’clock.
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