F.P. Journe Tourbillon Souverain Ruthenium Ref. T The F.P. Journe Tourbillon Souverain Ruthenium Ref. T belongs to the Ruthenium Collection, a series of limited editions of 99 numbered pieces each with ruthenium-on-gold dials. Introduced in 2001, it has a 40 mm platinum case and the manual-winding Calibre 1498. It is no longer part of F.P. Journe's collection. - Manual-winding Calibre 1498 - Tourbillon with remontoir d'égalité, power reserve - 40 mm platinum case, 9.9 mm thick - Ruthenium-on-gold and whitened guilloché silver dial, blued steel hands - Limited series of 99 pieces (Ruthenium Collection) Full set. Maker: F.P. Journe. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.