F.P. Journe Sonnerie Souveraine Ref. GS The F.P. Journe Sonnerie Souveraine Ref. GS is a grande and petite sonnerie in a 42 mm steel case, driven by the manual-winding Calibre 1505. Introduced in 2006, it left F.P. Journe's catalogue at the end of 2018 and is no longer part of F.P. Journe's collection. - Manual-winding Calibre 1505, 40 jewels - Grande and petite sonnerie - 42 mm steel case - 18K white-gold and whitened guilloché silver dial Full set. Maker: F.P. Journe. Reference: GS. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.