Perpetual Calendar Split-Seconds Chronograph for Left-Handers 5373 is a luxury wristwatch from Patek Philippe.

The distinctive feature of Ref. 5373P-001 is its asymmetrical layout of the controls, which is specifically optimized for use with the left hand. The crown and the monopusher are located at 9 o'clock, while the split-seconds pusher is positioned at 8 o'clock.

This layout is based on a historic one-off piece from 1927 and represents a rarity in the modern watch world.

The case is made of platinum. The dial is anthracite gray with a black gradient, a vertical satin finish, and applied gold numerals.

Price (2026): €608,587