Family: L9xx Lange 142h power reserve21,600 vph (3 Hz)
The L901.0 is a manual-winding movement made by A. Lange & Söhne, introduced in 1994 as the first caliber in the Lange 1 family. It beats at 21,600 vph with a 42-hour power reserve and features an outsize date display with the signature dragging mechanism, along with a power reserve indicator. The movement is produced in-house and was discontinued in 2015 when it was succeeded by later versions of the Lange 1 caliber.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Power Reserve
42h
Frequency
21,600 vph (3 Hz)
Display Type
Analog
Winding
Manual
COMPLICATIONS
Big DatePower Reserve Indicator
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
DiscontinuedMANUFACTURE
In-houseLAUNCH YEAR
1994CALIBER FAMILY
L9xx Lange 1ALSO KNOWN AS
cal. l901.0lange 1 original movement
FOR WATCH DEALERS
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