Jaeger Lecoultre · Automatic
Caliber 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.
Technical Specifications
Winding
Automatic
Power Reserve
70 hours
Frequency
28,800 vph (4 Hz)
Jewels
34
Diameter
26 mm
Watches with this movement(6)
Jaeger Lecoultre
Jaeger-LeCoultre - Q4142520 Master Control Calendar Pink Gold / Silver / Alligator
Ref. Q4142520 · 40 mm
Jaeger Lecoultre
Jaeger-LeCoultre - Q4148450 Master Control Calendar Stainless Steel / Silver Sector
Ref. Q4148450 · 40 mm
Jaeger Lecoultre
Jaeger-LeCoultre - Q4148421 Master Control Calendar Stainless Steel / Silver
Ref. Q4148421 · 40 mm
Jaeger Lecoultre
Jaeger-LeCoultre - 4148480 Master Control Calendar Stainless Steel / Blue
Ref. 4148480 · 40 mm
Jaeger Lecoultre
Jaeger-LeCoultre - Q4148120 Master Control Calendar Stainless Steel / Silver / Bracelet
Ref. Q4148120 · 40 mm
Jaeger Lecoultre
Jaeger-LeCoultre - 4148420 Master Control Calendar Stainless Steel / Silver / Novonappa
Ref. 4148420 · 40 mm
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