The L121 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 a GMT 24h complication with center chronograph seconds, a 30-minute counter at 12h, a 12-hour counter at 6h, and small seconds at 9h. It contains 26 jewels in automatic configuration (24 in manual) and includes a unidirectional winding rotor with optional hand winding and hacking seconds.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
26/24 jewels
Power Reserve
60h
Frequency
28,800 vph (4 Hz)
Diameter
30.4mm
Height
7.9mm
Display Type
Analog
Winding
Automatic (Unidirectional)
COMPLICATIONS
FEATURES
QUICK FACTS
FOR WATCH DEALERS
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