Jaeger-LeCoultre caliber 174
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| 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 |
174 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
