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The metallised hour indexes from the chapter ring are finished in pink or white gold, depending upon the circumstance content, when markings with a blackened track beneath sign the minutes. Twelve o'clock stands out for staying not merely the only numeral (in pink or white gold) but will also for currently being raised, descending independently in the chapter ring. A quest for aesthetic in addition to a technical stability guided Robert Greubel and Stephen Forsey though creating the Tourbillon 24 Secondes Contemporain, as evidenced in the spatial configuration of parts, both display-side and to the again. Darker facts within the display screen these types of as being the power reserve indicator at 4 o'clock, smaller seconds at 9 o'clock or perhaps the 24 seconds tourbillon at 6 o'clock distinction along with the mild gray on the normal titanium movement and integrated titanium bridges, which characteristic superlatively hand-finished straight-graining, frosting and very polished bevels.
At three o'clock and nine o'clock, two gold plates, hand-engraved together with the philosophy of Robert Greubel and Stephen Forsey, adorn the caseband.
Turning about the Tourbillon 24 Secondes Contemporain, three NAC-treated anthracite bridges can be glimpsed by the sapphire crystal display screen again, revealing the entire extent of Greubel Forsey's abilities in extremely fine hand-finishing: Mirror-polished bevels (many of which attribute interior angles), mirror-polished countersinks, straight-graining and snailed decoration about the mainspring barrel. There are actually also discrete nods to custom on this up to date timepiece, one example is the domed olive jewels and heat blued screws, which pay elegant homage to master replica watchmakers from the nineteenth century.
A hand-stitched alligator strap that has a folding clasp in 5N crimson gold or white gold completes the timepiece.
Complex information
The motion includes 268 elements , 88 to the ultra‐gentle 0.39-gram tourbillon cage alone, and is powered by two coaxial mainspring barrels in series providing an optimal electricity reserve of 72 hours. The oscillator, beating at 3Hz / 21,600 vibrations per hour, features a variable inertia stability with Phillips terminal curve.
The mainplate and bridges are in natural titanium and are hand-finished with straight-graining and mirror-polished bevels. Bridges in nickel silver with nickel-palladium finish are frosted and straight‐grained with hand-polished bevels. The tourbillion bridge is in transparent synthetic sapphire whilst the tourbillon cage is in titanium. breitling a13356 replica The hour and minute chapter ring is in synthetic sapphire though modest seconds dial and electric power reserve indicator are in gold. The 5N crimson gold or white gold circumstance measures 43.5mm in diameter by 15.2mm high and features synthetic sapphire crystals, domed within the dial aspect plus a flat show back. The black alligator strap is hand‐stitched that has a 5N pink gold or white gold folding clasp.
The Tourbillon 24 Secondes
This timepiece houses Greubel Forsey's third fundamental invention, the Tourbillon 24 Secondes, a highly-efficient, fast‐rotating 24‐second revolution tourbillon cage inclined at 25°, which minimises negative effects of gravity around the oscillator, particularly in stable positions.
Find out more at www.greubelforsey.com