CORUM – BUBBLE 47 SWOOSH Central Tourbillon Automatic Titanium
The Bubble is featuring its first central tourbillon
Corum’s Bubble is playing on its charms and roundness and is ready to welcome a central
tourbillon. The famous age-old complication has been given a new lease of life with a playful and
contemporary touch. Could this mark the beginning of a Fine Watchmaking collection for the
Bubble?
“The tourbillon was designed for pocket watches. On wristwatches, its function is purely aesthetic.
With the magnifying effect provided by the Bubble's domed crystal, a tourbillon has never been as
present or as powerful on a wristwatch. This novel approach provides us with a glimpse of the
possibility of Fine Watchmaking for the Bubble.”
Click, to see the large size. ▶ BIG FOTO
That’s how Jérôme Biard, the CEO of Corum, is unveiling the new Bubble Central Tourbillon. Three characteristics of this piece make it a tourbillon that is one of a kind in watchmaking. First, the piece is generously proportioned. The Bubble’s 47 mm provide ample space for the tourbillon to fully express itself. Then there’s the central position of the tourbillon, a complex technical choice, since it requires an inline movement construction.
Click, to see the large size. ▶ BIG FOTO
The complication nevertheless features a pallet that is not soldered and makes it possible for this centrally placed tourbillon to immediately catch the eye. The absence of hands on the watch is also noteworthy. The hours and minutes are moved to the flange, where they are indicated by two triangular markers: one in black that indicates the minutes, with a second one indicating the hours. The tourbillon itself indicates the seconds.
Finally, there is the Bubble's domed sapphire crystal. Corum has frequently played on the magnifying effect in the centre and lightly deforming effect on the sides to create different visual effects. That’s no different here. The peak of the sapphire crystal acts as a magnifying glass on the tourbillon, which is located just underneath, a natural way of bringing out the slightest details.
Click, to see the large size. ▶ BIG FOTO
Taking advantage of this original watchmaking effect, Corum has depicted its key logo in the middle
of the tourbillon, on its upper bridge. This delicate engraving is appearing for the first time, and in
great detail. It’s worth noting in passing that Corum has opted for an authentic tourbillon, such as it
was patented in 1801, and not a carrousel or flying version. It is powered by an automatic movement
with a bidirectional oscillating weight and, above all, two barrels in series that promise both excellent
isochronism and a 65-hour power reserve.
Click, to see the large size. ▶ BIG FOTO
In keeping with the spirit of the Bubble, the Central Tourbillon is quirky and playful, not a
conventional evening piece. Designed for everyday life, and beating at 28,800 vibrations per hour (4
Hz) for enhanced precision, it is made of titanium to ensure both lightness and sturdiness.
Three different versions are available: black & pink gold on rubber, natural titanium & blue on rubber or on Milanese mesh made from grade 5 titanium, for a perfect aesthetic and technical consistency that is rare for a Milanese mesh watch strap. Water resistance is guaranteed to 100 metres, another rarity for a piece with a tourbillon, providing the Bubble Central Tourbillon with an urban, sporty and contemporary character.
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TECHNICAL SPECIFICATIONS
Collection:
Watch Name: BUBBLE 47 SWOOSH Titanium
Ref - L406/03664 - 406.101.04/0601 SW01 -Titanium
Ref. - L406/03673 - 406.101.86/0371 SW02 - Titanium black PVD treatment/ Gold
MOVEMENT
Movement number: CO 406
Winding system: Automatic
Functions: Hour & Minute
Power reserve: 65 hours
Frequency: 4 Hz, 28'800 vph
Dimension: 13 1/4'''
Rubies: 38
DIAL
Colours:
- Silver-coloured
- Black
CASE
Shape: Round
Dimension: 47 mm
Thickness: 19.60 mm
Case material:
- Titanium grade 5
- Titanium grade 5 with black PVD treatment
Crown material: 5N 18kt rose gold
Crystal: Sapphire crystal with anti-reflective treatment
Back type: Open back cover in titanium grade 5 with glare proof sapphire crystal
Water-resistance: 100 meters / 10 ATM
HANDS
Hour and minute: Rhodium-coated
- • Black and blue superluminova
- • Black & beige superluminova
Material:
- Synthetic, rubber lining
- Vulcanized rubber
Interhorn/Buckle: 24/20 mm
Buckle type: Tongue buckle
Buckle material:
- Stainless steel
- Stainless steel with black PVD treatment
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Press release - 2018
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Montres CORUM Sàrl
Rue du Petit-Château 1
Case postale 374 - CH-2301 La Chaux-de-Fonds
Switzerland
Tél. +41 (0) 32 967 06 70
Fax +41 (0) 32 967 06 00 press@corum.ch
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