Vacheron Constantin Overseas self-winding

Vacheron Constantin's Overseas self-winding, reference 4600V/200R-B979, measures 34.5 mm in rose gold. The case stands 9.33 mm thick and houses the self-winding calibre 1088/1, which runs a 40-hour power reserve. A sapphire crystal covers the sunburst blue dial, and a sapphire caseback shows the movement from behind. The dial carries a date window at 3 o'clock and a central seconds hand, with hour-markers and hands treated in luminous material for visibility in the dark. The rose gold bracelet is interchangeable and closes with a folding clasp, also in rose gold. Rated to 150 metres, the case suits both dress wear and travel.