Thursday, March 31, 2016

REBELLION Sapphire 540 Magnum Tourbillon

This exclusive edition of REBELLION 540 Magnum Tourbillon boasts an incredible rectangular watch case crafted out of sapphire. Incorporating the state of the art diamond grinding techniques, the independent Swiss watch brand has extracted the eight elements that make up the transparent case of the 540 Magnum Tourbillon from specially cut sapphire blocks.

It all began with a mad challenge uttered in a defiant and passionate tone of voice. Some master watchmakers are plainly and simply masochistic. When taking up the insurmountable challenge announced by REBELLION TIMEPIECES, David Candaux had no idea what to expect. The task facing him was to make a case of sapphire crystal imagined by the designer Eric Giroud, which would already be complex enough as it is when made of steel, gold, titanium, or carbon. Armed with all the confidence of a true pioneer, somewhere between unawareness of danger and the wish not to disappoint anyone, he produced something that qualifies as a world premiere.
Inside this virile timepiece in XXL size is an extreme mechanism also developed by David Candaux, a recognized maker of movements.  The rectangular architecture of the REB T-14, with a double spring barrel, immediately catches the eye due to the large size of the tourbillon cage. Here, the mechanism devised by the brilliant watchmaker and physicist Abraham-Louis Breguet (1747-1823) has been interpreted in a most original manner, with finishing and subtleties that testify to an extreme mastery of horological complications. With its 540 tenths of a millimeter circumference and a diameter of 17.2 millimeters – hence the name of the collection, 540 Magnum – the tourbillon pervades the entire dial from its magnesium cage, like a kinetic crater topping an active volcano.
Another thing to note is the world's smallest chain, to give legroom to the regulating ten-day power reserve indicator with conical gears. It’s a little reminder of the world of mechanical sports.

In order to optimize the visual impact of this piece, which is destined to be visually undressed, the mainplate was made of carbon fiber. The high-tech materials used, like the special aluminum alloy, provide the mechanism with the necessary rigidity and lightness. They also offer some dark and racy views composed of subtle interplay of shadows and light. Synergies that are now exposed to the fullest extent, in mysterious watch style thanks to the total transparency of the sapphire crystal.

Technical specifications

Features and functions
Openwork dial showcasing movement
14-day power reserve, conical gearing
Black-carbon Super-LumiNova tipped central hours and minutes
Black-carbon Super-LumiNova tipped skeletonized retrograde seconds hand at 6 o’clock
Chain-driven, arrowhead power reserve indicator at 9 o’clock
Roller-borne precision power reserve indicator at 7 o’clock
17.2mm 60-second tourbillon escapement at 4 o’clock, crenelated
Two relief-engraved mainspring barrels in series at 9 o’clock and 12 o’clock

Dial and hands
Open-work dial showcasing movement
Central skeletonized hour and minute hands
Double-braced ARCAP hour markers
Chain-driven, arrowhead power reserve indicator at 9 o’clock
Skeletonized titanium bridges

REB T-14
Proprietary movement developed for REBELLION Timepieces by David Candaux/Du Val Des Bois
Movement dimensions: 36.7mm x 36.7mm x 9mm
490 components
Materials include: titanium and carbon fiber
Tourbillon cage in special aluminum alloy
Tourbillon diameter: 17.2mm
Three-quarter back plate in carbon fiber
Two relief engraved mainspring barrels in series
Each barrel engraved with inspirational words
Barrel 1: “Passion” “Speed” “Rebel”
Barrel 2: “Extreme” “Victory” “Glory”
10-day regulating power reserve
Power reserve mechanism features high-efficiency conical gearing
Power reserve chain visible through case band window
Double-braced titanium bridges
Movement back engraved with “REBELLION 540 Magnum”; “38 Jewels”; “REB T14”; “D Candaux”;“Swiss”

Case and strap
Modular construction     
Case material: sapphire crystal
Sapphire crystals: Compound curves, beveled edges, anti-reflection treatment on both faces; case band window; display back    
Dimensions: 46mm x 56.7mm x 19.6mm    
Water resistance: 30m

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