Posts tagged #grand-complication

Patek Philippe 5978P-010: The Instantaneous Perpetual Calendar Finally Meets a Chronograph, in Platinum for Milano 2026

Patek opens its seventh Watch Art Grand Exhibition in Milan with a 42mm platinum chronograph carrying the QI instantaneous perpetual calendar — its first appearance in a hand-wound movement and its first pairing with the CH 29-535. The whole calendar switches in about 30 milliseconds. 120 pieces.