Ulysse Nardin UN-22

Ulysse Nardin Caliber UN-22

Ulysse Nardin UN-22

Manufacturer Ulysse Nardin
Caliber Number UN-22, UN22
Base Caliber ETA 2892-A2
In-House Base: No / Module: Yes
Measurements 16 1/2”’ (36.60mm)
Vibrations Per Hour 28,800 bph (4 Hz)
Power Reserve 42 hours
Jewels 23
Hacking Yes
Functions Hours, minutes, central seconds, date (2:00), home time indicator (9:00)
Other Features Forward and backward hour hand corrector
Country of Manufacture Switzerland
Known Models
San Marco GMT

This example of the Ulysse Nardin caliber UN-22 was found in a GMT+/- San Marco Big Date.

There is also a caliber UN-24 that is used in the Executive Dual Time GMT. The difference between the two is that the UN22 has a central second hand and the UN24 has a small seconds feature.

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