Vacheron Constantin Fiftysix self-winding

Vacheron Constantin's Fiftysix self-winding, reference 4600E/000R-B441, measures 40 mm in rose gold. The case is 9.6 mm thick and carries a sapphire crystal over a silver dial with an opaline centre and sunburst edge. Inside is the self-winding calibre 1326, offering 48 hours of power reserve and visible through a sapphire display back. The dial shows a central seconds hand and a date aperture at 3 o'clock, with luminous hands and indices for low-light reading. Baton hands and gold markers complete the layout. The watch is fitted to a brown alligator leather strap closed by a rose gold pin buckle. Vacheron Constantin rates the case to 30 metres.