Jaeger-LeCoultre Calibre 864/A is Swiss mechanical manually-wound movement.
Functions: front: hour, minute; back: hour and minute of the second time zone
F = 21600 A/h
Power reserve: 50 hours
Mechanical manually-wound movement with 19 jewels.
Water-resistance: 3 bar.
Diameter: N/A
Other links:
Jaeger-LeCoultre Calibre 864/A watch parts