Ulysse Nardin Classic Perpetual Ludwig Watch

41mm stainless steel case, screw-down security crown crown, sapphire crystal, month and day of the week in the center of the dial, Caliber UN-33 movement with perpetual Calendar, big date display in a double window, month and day of the week in the center of the dial, years in a double window at 6 o'clock, small seconds at 9 o'clock, leather strap, simple buckle. Water resistant to 30m.