MasterHorologer

Franck Muller CIELO

Celebrating Franck Muller’s mastery of the watchmaking art in its purest tradition, the new Cielo watch boasts a natural blue Aventurine dial. The name of the collection was inspired by the deep blue of Aventurine stone, call to mind the color of the sky at night, whilst the shiny minerals recall the stars.

It needs immense expertise to machine the dial from Aventurine stone, which is very delicate. The dial, very thin, is 0.6 millimeters thick, against the usual 0.9 millimeters. It has been intentionally reduced in order to bring a very slight transparency and thus have a lighter blue. The stone is then drilled in order to hand set diamonds to index the hours.

The new Franck Muller Cielo watch comes with a diamond-set 18K rose gold case. An 18-carat white gold diamond-set version is also available.

The automatic movement is visible though the sapphire crystal caseback. Engraved by hand, this calibre offers a 42 hours power reserve.

The Cielo collection is available with one or two rows of diamonds on the case and different diameters (∅36, ∅39 and ∅42) in order to perfectly fit all wrists. The collection also comes in a version with a white Mother of Pearl dial.

Technical details

Model: Franck Muller Cielo
Reference: 3980 SC FO D 2R IND CD CIELO

Case
Round
18k rose gold
Hand set with 244 brilliant-cut diamonds for 4.89 carats
Hand polished
Diameter: Ø 39 mm x Thickness: 10.05 mm
Sapphire crystal
Water resistant up to 30 meters

Dial
Aventurine stone
12 diamond indexes for 0.75caras

Functions
Hours, minutes, seconds

Movement
FM 2800-SC Self-winding movement with bidirectional rotor system
Power reserve of 42 hours
165 components
21 jewels
Diameter: Ø 26.20 mm
Thickness: 3.75 mm
Balance wheel frequency set at 28,800 alternations per hour
Engravings on bridges, mainplate and rotor segment
Côte de Genève on rotor board
Spotting on the bottom plate
Chamfering of the bridges
Rhodium plating
Polished and blued screws

Strap
Hand sewn alligator strap

Buckle
18k rose gold buckle
Hand set with 8 brilliant-cut diamonds for 0.06 carats
Hand polished

Other versions
Reference 3980 SC FO D 1R IND CD CIELO: Diamond-set 18K white gold version with Aventurine stone dial
Reference 3980 SC FO D 2R IND CD: Diamond-set 18K rose gold version with white mother-of-pearl dial
Reference 3980 SC FO D 1R IND CDL Diamond-set 18K white gold version with white mother-of-pearl dial

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