Thunderbolt Tourbillon 41mm

Franck Muller, Grand Complications

• Reference
  8889 T F SQT BR D7, 8889 T F SQT BRD7, 8889 T F SQT BR D7
• Movement

  The watch movement type depends on the power source, e.g. manual wind, automatic, quartz and others.

  Read more: Movement Mechanism
  Manual Wind

  Mechanical watch mechanism, which is wound by rotation of a winding crow. Read more
• Case Material

  For case production are used different materials such as extra durable metals, alloys and polymers.
  Rose Gold

  Rose gold is an alloy that contains gold, copper and silver. It is used for cases and bracelets manufacture.
• Band Materials

  The bracelet and band designs are incredibly diverse. Bands can be made from various metals, leathers, ceramics and polymers. Read more:
  Alligator Leather

  Natural leather with specific pattern is used as a material for strap production. The straps max have various colors and texture.
• Glass Type

  The glass protects watches from dirt and shock. Its quality and durability depend on the material it is made from. The glass made of sapphire is considered the most shock-resistant one.
  Sapphire

  Precious blue stone used for watch decoration.
• Dial Type

  Watch dials can be monolithic, skeletonized or "sandwich" type. Read more
  Skeleton

  A dial, that partially opens and makes visible the watch mechanism. Read more
• Diameter / Width

  Diametr is a dimension for round watches. The case is mesured apart from the crown. Width is applyed as a measure for square watches.
  40.65 mm
• Length

  This dimension is used to measure the watches of square or irregular form. In this case, the vertical distance of the case is measured.
  55.05 mm