Caliber UR 12.02Functions Satellite hours minutes
link Earth's rotation on its axis at the equator in 20 minutes Earth's revolution around the sun in 20 minutesPower Reserve 48 hoursWinding Automatic with Windfänger airscrewFrequency 28800 vph 4 HzJewels 40Chronometer
link Certified NAAdditional Details Decorations include circular graining
link sanding shot-blasting circular satin finishing chamfered screw heads