Jaeger-LeCoultre caliber 174

Jaeger-LeCoultre caliber 174
Brand:Jaeger-LeCoultre
Reference:174
Movement:Handwound
Display:Analog
Jewels:58
Reserve:50
Frequency:28800
Hands:Additional 24 Hour Hand (fixed), Hours, Minutes, Seconds
Additionals:Tourbillon Escapement

Description

The spherical 'Gyrotourbillon' is one of Jaeger-LeCoultre's emblematic complications. Featuring such, caliber 174 consists of 373 parts and has a power reserve of 50 hours.

Data on the tourbillon:

* Outer carriage: aluminium, 60 seconds for a complete rotation
* Inner carriage: titanium and aluminium, 18.75 seconds for a complete rotation
* Balance: inertia of 12.5 mg x cm2
* Balance frequency: 28,800 vibrations per hour
* Parts:100

Calibers based on the Jaeger-LeCoultre 174:

All watches using this caliber: