This Arnold & Son Golden Wheel has a special way of showing the time: it uses wandering hours and true beat seconds
Movement Arnold & Son A&S6018 | Automatic | Diameter: 37.20 mm | Thickness: 8.00 mm | Frequency: 28,800 vph (4 Hz) | Jewels: 29 | Jumping digital hours, minutes and true beat seconds | Power-reserve: 45 hours
Movement Arnold & Son A&S6018