Jaeger-LeCoultre Calibre 988C: the first mechanical movement in watchmaking history to operate in an accurate and reliable manner with no lubricant .
Six patents pending
Technical characteristics
307 parts
Mechanical automatic movement, Jaeger-LeCoultre Calibre 988C
28,800 vibrations per hour, 4 hertz
A barrel
Tourbillon with magnesium carriage
Two time zones
AM/PM indication with local time
Central pointer-type calendar displays that jumps over the tourbillon carriage
Movement diameter 30.0 mm
Movement thickness 7.05 mm
Case diameter 45.0 mm
Case thickness 14.80 mm
Operational between -40° and +60°C
No oil, no grease
Iridium platinum oscillating weight with carbon base
Black diamond pallet-stones
Easium jewels
48-hour power reserve
Water-resistant to 100 metres
Crafted in carbon and titanium
Exclusive, limited annual production
Reference: Q179T470
