Vacheron Constantin Overseas Perpetual Calendar Ultra-Thin Skeleton 41.5mm 18K Pink Gold Skeleton Dial Sapphire Bezel (Ref# 4307V/220R-237C)

Limited edition of 5 pieces. 41.5mm 18K 5N pink gold case with a thickness of 8.1mm, transparent sapphire crystal caseback, 18K 5N pink gold bezel set with baguette-cut blue sapphires, sapphire crystal, sapphire dial with blue velvet-finished minutes track and NAC-coated skeletonized perpetual calendar movement visible from the front, 18K gold moons with a starry sky, blue counters, 18K gold applied hour and minute hands and hour-markers highlighted with blue SuperLuminova, Vacheron Constantin calibre 1120 QPSQ/1 self-winding movement with 276 parts and 36 jewels, perpetual calendar with date day month leap year and moon phases, operating at 19800 vibrations per hour, approximately 40 hours of power reserve, 18K 5N pink gold bracelet with triple-blade folding clasp. Water resistant to 50 metres / 165 feet. Hallmark of Geneva certified.