Vacheron Constantin Overseas Perpetual Calendar Ultra Thin (4300V120RB509) self – winding automatic watch, features a 41.5mm 18k rose gold case surrounding a blue dial on an 18k rose gold bracelet with folding buckle. Functions include hours, minutes, day, date, month, perpetual calendar and moon phase. This watch comes with the original box and papers. We back this watch with a 2-Year WatchBox warranty!