Ulysse Nardin UN-128 Constant
Automatic36 jewels60h power reserve18,000 vph (2.5 Hz)
The Ulysse Nardin UN-128 Constant is an automatic caliber with an analog display, 36 jewels, a power reserve of 60 hours and a frequency of 18,000 vph (2.5 Hz), made in Switzerland. It measures 31 mm in diameter.
Last updated 19 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
36 jewels
Power Reserve
60h
Frequency
18,000 vph (2.5 Hz)
Diameter
31mm
Display Type
Analog
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