450P

Piaget 450P ultra-thin manual-winding mechanical movement featuring small seconds. This round caliber tracks hours, minutes, and small seconds at 10 o'clock, with a balance stop, 43-hour power reserve, 21,600 vph (3 Hz) frequency, 18 jewels, and a 2.1mm thickness. Measuring 20.5mm (9 lines) in diameter with 131 parts, it includes a circular-grained mainplate, bevelled bridges, blued screws, and circular Côtes de Genève.