====== Greubel Forsey Invention Piece 2 ====== {{wst>image_cr|Greubel Forsey|Invention Piece 2 GF03n PL|Greubel Forsey Invention Piece 2 Platinum|270px}} {{wst>image_cr|Greubel Forsey|Invention Piece 2 GF03n|Greubel Forsey Invention Piece 2 Red Gold|270px}} **Greubel Forsey Invention Piece 2** is a luxury wristwatch by [[Greubel Forsey]]. To do full justice to the fundamental inventions validated through the Experimental Watch Technology platform, Greubel Forsey has developed creative interpretations that are supplementary to the original timepieces these are the Invention Piece (IP). In [[2007]] IP1 celebrated the [[Greubel Forsey Double Tourbillon 30°|Double Tourbillon 30°]] and in [[2009]] IP3 paid homage to the [[Greubel Forsey Tourbillon 24 Secondes|Tourbillon 24 Secondes]]. Now the [[Greubel Forsey Quadruple Tourbillon|Quadruple Tourbillon]] is similarly honoured, with IP2 focusing on its innovative mechanism through a completely new technical architecture. IP2 is offered in a unique edition of 11 pieces in platinum and 11 pieces in 5N red gold. //(Text by GF)// The IP2 was presented at the [[SIHH]] 2011 and was awarded at the [[Geneva Watchmaking Grand Prix]] in 2012 the prize for the best [[complication]]. **Reference:** * GF03n **Movement:** * [[Manual winding]] [[manufacture movement]] calibre GF 03N, 21,600 A/h * Two double [[Tourbillon]]s * Three [[barrel]]s * ? [[jewels]] * 594 components * [[Power reserve]] 56 h **Case:** * [[Red gold]] or [[platinum]] * Ø 43.5 mm, H 16.3 mm * [[Domed]] [[sapphire crystal]] and transparenter caseback * Lateral sighting window with curved [[sapphire crystal]] * [[Waterproof]] to 3 atm **Dial:** * Silver or black **Functions:** * Hours and minutes (red triangle), [[small seconds]] * Sectorial [[power reserve indicator]] **Bracelet:** * Black hand-sewn Alligator strap with [[folding clasp]] **Limitation:** * Single edition, 11 pieces each **Prize:** * 730,000 CHF {{tag>Watch_models Watches_with_tourbillon Greubel_Forsey_models}}