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Montblanc presenta una nuova versione del Villeret ExoTourbillon, orologio dotato di dispositivo tourbillon, funzioni di cronografo e GMT. Molto particolare è il dispositivo tourbillon stesso, che presenta il bilanciere (dotato di 18 viti di compensazione) fuori dalla gabbia, mentre quest’ultima compie un giro ogni quattro minuti. Ad ore 3 trova posto il contatore dei minuti crono (il cronografo è monopulsante, con il pulsante stesso coassiale alla corona), al 4 l’indicatore giorno/notte ed al 6 i secondi continui. Minuti orari e secondi crono sono indicati al centro, mentre al 6 trova posto l’indicazione delle ore, tramite due lancette, una in oro (ora locale) e l’altra in blu (ora di casa). Animato dal calibro MBM 16.60, meccanico a carica manuale, il Villeret ExoTourbillon Chronograph viene prodotto in una serie limitata di soli 16 pezzi, 8 in oro rosso e 8 in oro bianco (come in foto). Prezzo: 205.000 euro.
Movement
Calibre: MBM 16.60
Type of movement: Hand-wound with chronograph, small seconds, second time zone and four-minute tourbillon escapement
Chronograph: Monopusher mechanism with column-wheel and horizontal coupling
Dimensions: Diameter 38.4 mm; height 10,34 mm
No. of components: 341, including 51 components for the tourbillon cage
No. of bearing jewels: 32 (hemispherical, domed, olive-cut)
Power reserve: 50 hours
Balance: Screw balance, Ø 14.5 mm; 59 mgcm²
Frequency: 18'000 semi-oscillations per hour (2.5 hertz)
Tourbillon: One rotation every four minutes
Balance-spring: With Phillips terminal curve
Plate: Rhodium-plated nickel silver, circular graining on both sides
Bridges: Rhodium-plated nickel silver, côtes de Genève
Going-train: Gold-plated, faceted arms, hubs with diamond polished surfaces
Watch displays: The hours in the first and second time zone are shown at the “6,” the minutes are indicated from the center of the dial, continuous seconds on a subdial at the “9,” day/night indicator with 24-hour display between the “4” and the “5”
Chronograph Centre seconds, 30 minute counter at 3 o`clock indicators
Features
Case: 18 K white or red gold; domed sapphire crystal (forme chevée), transparent pane of sapphire crystal inset into screwed back beneath hinged cover
Dimensions: Diameter 47 mm; height 16,67 mm
Watertightness: To three bar (30 meters)
Horns: With patented mechanism to open the hinged cover on the underside
Crown: With integrated button to operate the chronograph and mother-of-pearl emblem
Pusher: In the case’s flank at 8 o`clock to adjust the second time zone
Dial: 18 K gold with grained anthracite decoration (109150) / grained silver-plated
decoration (109151), polished, satin-finished counters and Roman numerals
Hands: 18 K gold, chronograph’s elapsed-seconds handmade of PfinodalTM
Wristband: Hand-sewn alligator-leather pronged buckle made of 18 K red gold or 18 K white gold
Limited edition 18 K white gold and 18 K red gold, limited to 8 pieces each
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