PROTOTYPE VACHERON CONSTANTIN - Unique prototype no. 4, ref. 31100P "Toledo", wristwatch in platinum. Square case, solid back. Silvered dial, hours and minutes display. Hand-wound mechanical movement, calibre 1132-1, signed. Buckle in platinum, signed. Inscribed on the back: "VACHERON CONSTANTIN GENÈVE, PROTOTYPE N°4, 634438". Size: 27 mm × 33 mm Weight: 47 g The watch is in working order at the time of writing, However, we cannot guarantee that it will work in the future. As the watch has not been tested over a long period of time, we do not guarantee the movement and its power reserve. A of the watch is recommended.