X-Treme Aeternity

  • Mechanical Swiss Made Tourbillon lever movement 131⁄4
  • Double barrel
  • Retrograde Date
  • Time reserve indicator
  • Time reserver over 120h
  • Cage, 1 revolution in 1 minute
  • Hand winding
  • Hour, Minute,
  • 34 jewels
  • Frequency : 4 Hz (28’800 A/h)
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