Manufacturer Jaeger-LeCoultre (JLC) Calibre Number 657 Type Quartz Jewels 4 Frequency 32,768Hz Battery Cell SR616SW Hands Count 2 Functions Central...
JLC Gyrolab
Manufacturer Jaeger-LeCoultre (JLC) Calibre Number 770 In-House? Yes Type Automatic, self-winding mechanical Height 6.57mm Jewels 36 Vibrations Per Hour 28,800...