30h power reserve18,000 vph (2.5 Hz)
The L1902 is a manually wound movement made by A. Lange & Söhne. It is assembled from 876 parts. The balance beats at 18,000 semi-oscillations per hour, and the power reserve is 30 hours. A. Lange & Söhne fits it to the Grand Complication. Its displays and mechanisms include moon-phase display, chronograph, minute repeater, day-of-week display, perpetual calendar and analog date.
Last updated 11 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Power Reserve
30h
Frequency
18,000 vph (2.5 Hz)
Display Type
Analog
COMPLICATIONS
ChronographDateDayMinute RepeaterMoon PhasePerpetual Calendar
QUICK FACTS
FOR WATCH DEALERS
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