The calibre 754 is made up of 296 pieces and is closely related to the JLC 753 worldtimer movement. The chronograph feature includes hour and 30-minute counters. The 754 also supports a second timezone, adjusted with the crown for GMT use, and date.
It runs at 28800 vph and has 39 jewels. Thanks to a double barrel design, the JLC 754 has a power reserve of 65 hours.
Jaeger-LeCoultre currently uses this calibre in 3 watches.