Landeron caliber3 is Swiss movement from 1930s.
Functions: 30 or 45 minute chronograph hand at 3:00 and central 60 second chronograph hand, central hour hand, central minute hand
Manual-winding movement with 17 jewels.
F = 18000 A/h
Power reserve: N/A
Diameter: 34.7 mm
Noted: The photo is of an authentic mechanism, but some of the parts are missing !
John BUZZUFY
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