Jaeger-LeCoultre 923

The Jaeger-LeCoultre Caliber 923 is an automatic movement featuring a dual time complication with AM/PM indicator and city ring, operated through twin crowns at opposite sides of the case. The movement comprises 281 components fitted with 31 jewels. Its distinctive feature lies in the ability to display a second time zone with a dedicated day/night indication and reference city disk, allowing the wearer to track two time zones simultaneously. This caliber is notably used in the Jaeger-LeCoultre Polaris Geographic.