Jaeger-LeCoultre · Movement

Jaeger-LeCoultre caliber 866AA

Ref. 866AA

Caliber 866AA was introduced in 2020 as an updated version of caliber 866 (/1). This new version offers a 70 hours power reserve which is achieved through optimizing the performance, notably through a new barrel design, new forms of lubrication, a new adjustment of the second hand, and a the silicon escapement which significantly reduces friction.

Type: Automatic
Display: Analog
Power reserve: 70 h
Frequency: 28800 vph
Jewels: 34
Diameter: 26 mm
Complications: Date, Day, Hours, Minutes, Month, Moonphase, Small Seconds
Base caliber: Jaeger-LeCoultre caliber 866