Zenith – Starissime Tourbillon El Primero & Starissime Tourbillon Hours & Minutes

Dedicated to women, both the Starissime Tourbillon El Primero and the Starissime Tourbillon Hours & Minutes represent the quintessence of watchmaking, because they bring together the famous El Primero movement and the Tourbillon.

The El Primero movement is the only chronograph in the world with a heart that beats at 36,000 vibrations an hour, thus offering tenth of a second accuracy. And the Tourbillon means freedom from the effects of the earth’s gravity because the escapement is enclosed in the Tourbillon gyroscopic cage.

In order to transmit the power required by the high frequency of its tourbillons as efficiently as possible, ZENITH has chosen to keep a straight line escapement, so that the balance wheel is slightly off-centre in the cage. ZENITH tourbillons therefore preserve the power of the El Primero, thus greatly improving a precision that is already remarkable.

In addition to the technical feats of these two models, there is all the poetry these precious pieces radiate. The greatest watchmaking complication in its finest setting: The Starissime Tourbillon El Primero is set off by 230 top Wesselton diamonds totalling 9.8 carats.

Its 40.5mm case sparkles with 117 baguette diamonds whilst 113 round diamonds light up the white Bali mother-of-pearl dial in a symphony of numerals that is almost enough to make us believe in eternity. The bridge of the Tourbillon cage is embellished with a diamond star invisibly set into it using a patented process.

As for the hours and minutes tourbillon watch, it is distinctive because of the smaller 37.5mm case ornamented with 111 baguette diamonds and a white mother-of-pearl dial decorated with a comet flashing through the sky and interlaced numerals scattered with brilliant-cut diamonds, the whole totalling 7.9 carats.

Starissime Tourbillon El Primero
Movement
Open El Primero 4041 Automatic
Calibre: 131/2“` (Diameter: 30.5 mm)
Height : 7.55 mm
Components: 170
Jewels: 25
Frequency: 36’000 V/h (5Hz)
Power reserve max: 55 hours
Finishing: 22-carat white gold oscillating;weight set with 153 diamonds (full cut, Top Wesselton, pure to VVS, approx. 0.29-ct).

Case
18-carat white gold set with« baguette » diamonds (Top Wesselton, pure to IF-VVS, approx. 9 -ct)
Diameter : 38.5 mm
Crystal: Curved sapphire glass with anti-reflection treatment on both sides
Case back: Transparent sapphire glass with engraved ZENITH stars
Water-resistance: 30 meters

Dial
Hand-made gold dial with Mother of Pearl
Diameter opening : 29 mm
A ZENITH Star in diamond (0.5-ct) overhanging the Tourbillon bridge
18-ct white gold hand-mounted applique set with diamonds (approx.0.3 ct)
Hands : 18-carat white gold leaves

Functions
Hours and minutes in the center
Tourbillon: The carriage is positioned at 11 o’clock; The carriage makes 1 turn per minute

Strap
Hand made Galuchat strap
Buckle: 18-carat white gold triple folding buckle

Starissime Tourbillon Hours & Minutes

Movement
Open El Primero 4029 Automatic
Calibre: 14 1/4“` (Diameter : 32 mm)
Height : 7.55 mm
Components: 292
Jewels: 35
Frequency: 36’000 V/h (5Hz)
Power reserve min. 50 hours
Finishing: 22-carat white gold set.

Case
18-carat white gold case, bezel, and horns set with 117 “baguette” diamonds (8.79ct)
18-carat white gold ZENITH push buttons and crown set with a Star diamond approx. 9 -ct)
Diameter : 40 mm
Crystal: Curved sapphire glass with anti-reflection treatment on both sides
Case back: Transparent sapphire glass
Water-resistance: 30 meters

Dial
18-ct white gold and mother of pearl dial
Diameter opening : 32 mm
18-ct white gold hand-mounted appliqué set with 112 diamonds (0.292ct)
A ZENITH Star in diamond (0.5-ct) overhanging the Tourbillon bridge
Two ZENITH Star symbolising 30-minute counter and 12-hour counter.
Hands : 18-carat white gold leaves.

Functions
Hours and minutes in the center
Tourbillon: The carriage is positioned at 11 o’clock; The carriage makes 1 turn per minute

Strap
Hand made Galuchat strap
Buckle: 18-carat white gold triple folding buckle

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