Family: UN-6xx
The UN-631 (cal. UN-631) is an in-house manual-winding movement introduced by Ulysse Nardin in 2019. It belongs to the UN-6xx family of manufacture calibers developed in-house. The movement remains in production and is used in the brand's contemporary collections.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2019CALIBER FAMILY
UN-6xxALSO KNOWN AS
cal. un-631