This Jaquet Droz Grande Seconde Power Reserve Ceramic Clous de Paris adds a power-reserve indicator to the dial
Movement Jaquet Droz 4063D | Automatic | Frequency: 28,800 vph (4 Hz) | Jewels: 30 | Double barrel | Heavy metal oscillating weight | Off-centered hours and minutes, large off-centered seconds, power-reserve indicator | Power-reserve: 68 hours
Movement Jaquet Droz 4063D