PRESTO

Collection

MOVEMENT

  • Graham escapement.
  • Pendulum rod made of Invar, a metal alloy with a very low thermal expansion coefficient, with compensation tube for temperature variation.
  • 24K gold-plated gears and pinions.
  • Charge autonomy: 7+1 days / Charge reserve: up to 5 minutes.
  • Spring loaded.
  • Suspension spring.
  • Stainless steel arbor, revolution on 15 ball bearings.
  • Aluminum bob lens.
  • Bearings attached and adjusted directly on the crystal structure via computer numerical control (CNC).
  • Takto┬« Tool Kit includes: certificate of authenticity, instructions and tools for assembling and maintaining the product.

STRUCTURE

  • Crystal glass structure, 12mm -thick discs.

DIMENSIONS

  • Weight 30 kg
  • Diameter 660 mm
  • Depth 230 mm

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