2025 Perpetual Calendar Chronograph

2025 Perpetual Calendar Chronograph. Gears, springs and rockers mimic the rotation of the earth around. 5020g in 18k white gold that sold for chf 189,000 at phillips geneva in may 2021.

The perpetual calendar displays are harmoniously arranged, with the date indicated by a hand and a moon phase at 6 o’clock, as well as a twin day/month aperture at 12 o’clock,. A perpetual calendar watch exhibits several measurements of time, often including the day, date, month, and even the phases of the moon.