La Joux-Perret L1C0

The L1C0 is an automatic chronograph movement manufactured by La Joux-Perret. It measures 30.4mm in diameter and 7.9mm thick, operates at 4 Hz (28,800 vph), and delivers a 60-hour power reserve. The movement features center chronograph seconds, a 30-minute counter at 12 o'clock, a 12-hour counter at 6 o'clock, a retrograde 30-second display at left, and a retrograde date at right. It is available in automatic (28 jewels) or manual (26 jewels) configurations.