Vacheron Constantin Patrimony Upgrade Series Couple Watch, Model R29

Imported 9100 movement with moon‑phase function. Stick‑style hour markers. Imported square scale‑pattern cowhide strap. Transparent case‑back. Male size: 41mm diameter, 10mm thickness. Female size: 35mm diameter, 10mm thickness. Functions include week, month, date, moon‑phase and day‑night display.