Franck Muller Giga Gong Tourbillon

Unveiled at the 24th edition of the World Presentation of Haute Horlogerie (WPHH) in January 2014, Frank Muller’s in house poetic complication – the Giga Gong Tourbillon features a rhythmic chime that strikes every hour is giving a new dimension to the renowned Giga Tourbillon.

Created in 2011, the Giga Tourbillon bears the world’s largest tourbillon. A sheer technical marvel powered with four barrels, it embraces a 20 mm diameter tourbillon on the dial that occupies almost half of the watch. Branching from this Giga tourbillon, the new Giga Gong Tourbillon takes it a step further.

The new in-house designed and manufactured manual watch is enhanced with an exciting Striking Hour complication that strikes at every hour. The four barrels are paired in series to provide a power reserve of 6 days. An ON-and-OFF push-button at 4 o’clock can set and de-activate the chime with an indicator of this function at 3 o’clock on the dial.

The entire mechanism is flawlessly decorated with circular graining, rhodium plating and hand chamfering. Seen in an 18-carat gold casing, this collection is available in two versions – the classic Cintrée Curvex and Round.

Technical details
Model: Giga Gong Tourbillon
Ref. 8889 T G GONG SQT

Movement
Manually wound mechanical movement, 4 barrels, hands-fitting decentred
Dimensions of Movement: Width: 34.40 mm X Length: 41.40 mm X Height: 8.50 mm
Tourbillon cage: Cage of Ø 20mm on ceramic ball-bearing, Ø 16.70 mm balance with adjustment screws in gold, high performance FM escapement, in house manufactured Breguet hairspring
Bell: Chimes at every passing hour and option to chime every half-an-hour
Power Reserve: 6 days without bell and 40 hours with the bell
Frequency: 18’000 vibrations/ hour
Number of Components: 447
Number of Jewels: 54
Movement decoration: Engraving, rhodium plating, circular graining, hand beveling

Display
Hours, minutes, optional seconds on tourbillon, power reserve,
Indication (ON/OFF) of the bell at 3 o’clock

Case, dial & strap
Cintrée Curvex: 18 carat gold
Case dimensions: Width: 43.70 mm X Length: 59.20 mmx Height: 14.00 mm
Dial: Skeleton
Functions: Winding crown in 2 positions – 1) Winding and 2) Time setting
ON/OFF push button of the bell at 4 o’clock
Strap: Hand-sewn black alligator strap

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