Ulysse Nardin caliber UN-631

As an eBay Partner,
we may be compensated
if you make a purchase.
Brand:Ulysse Nardin
Reference:UN-631
Movement:Handwound
Display:Analog
Hands:Hours, Minutes
Astronomical:Moonphase, Tide
Additionals:Crown Position Indicator, Power Reserve Indicator, Tourbillon Escapement

UN-631 description

Hand-wound movement with 3d moon phase indicator, tidal coefficients and volumes indicator, and power reserve indicator.