GREUBEL FORSEY Double Tourbillon 30° WHITE GOLD 18 K.White Gold Case, Black Gold Dial Start Price USD 299,999.00 Current Price USD 299,999.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Monday, September 01, 2008 End Time Thursday, September 11, 2008 Location La Jolla, California See more about 'GREUBEL FORSEY Double Tourbillon 30° WHITE GOLD' Description     GREUBEL FORSEY  Double Tourbillon 30°   18 K.White Gold Case, Black Gold Dial                     The Robb Report's 'Best of the Best' features Greubel Forsey...   http://www.robbreport.com/archived-issues/current-issue/default.aspx           Gently used from a Private Watch Collection       Presented by Greubel Forsey at Baselworld 2004, within two years the Double Tourbillon 30° has become a model that is recognised and sought-after by the most demanding connoisseurs.Through this first creation, Greubel Forsey clearly positioned itself within the highly select circle of high-performance prestige timepieces, in keeping with the purist spirit that distinguishes models by the Inventor Watchmakers of La Chaux-de-Fonds. The goal of safeguarding the high intrinsic value of the Tourbillon while interpreting it from a contemporary prospect has been fully attained. By aiming to achieve harmony in the roles played by each part of the watch, Greubel Forsey practices an Art that is expressed through the beauty of the mechanisms, interpreted within an architecture freed from ephemeral stylistic effects.The Double Tourbillon 30°  crafted in white gold, with a choice of gold dials. A few personal variations have also been made at the request of certain collectors. The Double Tourbillon 30° has become a reference in the field of contemporary Tourbillon models. Its mechanism is protected by several international patents, guaranteeing it a great future and peerless exclusivity. 18 carat white gold case (43.5 x 15.76) equipped with a hand-winding Calibre GF 02 Movement, with double tourbillon 30°: exterior tourbillon rotating cycle of 4 minutes, interior tourbillon rotating cycle of 1 minute. 72-hour power reserve indicator, rapid rotating twin barrels (1 turn in 3.2 hours) one of which is equipped with a slipping spring so as to avoid excess tension, free sprung balance wheel with white gold mean-time screws (10mm diameter), 21,600 v.p.h., frosted nickel silver bridges, finished in ‘jade gold’. Hours and minutes indications, small seconds and rotating cycle of 1 minute on subsidiary dial at 9 o’clock, indicator of exterior tourbillon rotation cycle of 4 minutes at 6 o’clock, sectorial power reserve indicator decentred at 3 o’clock, convex sapphire crystal front and back, black alligator strap with folding clasp, water-resistant to 30 metres.   Robert Greubel and Stephen Forsey, stunned Basel in 2004 with not one, but two major surprises. The first was their innovative and very distinctive, three dimensional, double-axle tourbillon. Literally a tourbillon within a tourbillon. Named the Double Tourbillon 30 degrees, due to the angle between the two tourbillon carriages, Greubel Forsey have set, or perhaps it is more accurate to say offset, a one minute tourbillon inside a larger four minute tourbillon carriage. The idea behind the twin off-set tourbillons was to make the tourbillon more relevant to the wrist watch. Invented by Abraham-Louis Breguet over 200 years ago, the original single-axis tourbillon was developed to average out the effects of gravity on the balance of a pocket watch in its normal vertical position.This was of limited benefit at best in a constantly moving wristwatch,where positional variations cause timing errors.Multi-axis tourbillons average out positional errors by addressing the changes of rate from the horizontal and vertical positions,which enables a more stable beat rate. While the watch itself is very sophisticated,the philosophy behind it was simplicity itself;  simply to make a better timekeeper. The fundamental research into multi-axis tourbillons was first carried out by British clockmakers,Anthony Randall and Richard Good, around 30 years ago. They both used double, and even triple, tourbillon carriages mounted at 90 degree angles in clocks. Greubel Forsey found that mounting a one-minute tourbillon within a 30 degree offset tourbillon carriage with a four minute rotation, ensured a better chronometric performance while still maintaining an acceptable depth to the watch.It is practially impossible to hold the watch with the balance in a horizontal position.This configuration also has the benefit of allowing the whole of the Double Tourbillon to be admired.     Official Web Site :     http://www.greubelforsey.ch/default.asp         Technical Specifications:         Movement : Double axis tourbillon, twin barrels, 72 hours+ power reserve. Caliber GREUBEL FORSEY 02 Number of Jewels : 39 Diameter : 36.4 mm Height : 9.65 mm Number of Component : 301 Power Reserve : 72+ hours Case : White Gold Diameter : 43.5 mm height : 15.76 mm Water Resistant : 30 m Strap : Hand sewn alligator with gold folding clasp       Placing a bid on this item constitutes your agreement and acceptance of these Terms of Sale.  Failure to read this material does not dismiss your responsibility. We reserve the right to cancel bids and/or limit the quantity of bids on our product if the buyer has excessive negative feedback, or if the buyer has zero feedback. Once you have placed a bid, you have entered a legally binding contract to purchase the item. Your feedback is appreciated and vital for us to provide excellent customer service. 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