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Landeron 21
Last updated: August 4, 2025
Brand
Caliber Number
21
Production Period
1925
Lignes
Unconfirmed
Diameter
36.1 mm
Height
7.0 mm (Est.)
Power Reserve
Unconfirmed
Frequency
28,800 bph (2.5 Hz)
Jewels
17
Escapement
Swiss Lever Escapement
Anti-Shock Device
None (typical for the era)
Hand Count
3
Manufacture Region
Unconfirmed
Functions
Manual Winding, Mono-pusher Column-Wheel Chronograph (30-min)
Landeron 21 Description
The Landeron 21 is a manually wound movement similar to the ETA 2804-2 movement. It features a date complication, central seconds and an hour hand.
