Marine range


Tourbillon automatic regulator,
officially chronometer-certified

Large seconds and power-reserve indicator

    18 ct white gold 150 PD
    Silver-toned dial
    Navy blue genuine alligator strap

Cal L511

  • Diameter: 26.20 mm (11.5’’’)
  • Total thickness: 6.00 mm
  • Frequency: 28,800 vibrations
    per hour (4 Hz)
  • No. of jewels: 36
  • Power reserve: over 42 hours
  • Variable-inertia balance with four
    gold setting screws
  • Escapement wheel in silicon with StruTech blank
  • Exclusive "grainé-champlevé” décor on bridges,
    hand-chamfered with raised mirror-polished markings.
  • 22 ct gold oscillating weight
  • Officially chronometer-certified by the
    Observatoire National de Besançon
  • Stamped with the "Viper's Head"

Details of external parts

  • Case diameter: 43.00 mm
  • Guaranteed water-resistant to a depth of 100 metres (10 ATM)
  • Scratch-proof sapphire crystal, front and back
  • Screw-down safety crown
  • Available in pink gold 4N18
    and non-rhodium-plated white gold (150 PD)
  • Individually guillochéd dial
  • Thermically blued steel or gilded hands
  • Genuine hand-sewn alligator strap
  • Pin buckle in 18ct gold or (optional) folding system

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