[IWC Watches] Mid-Autumn Festival Moon phase watch IWC Da Vinci IW459306 Blue Starry Sky produced by TWC Poetic Moonphase The flower of life is a geometric shape composed of multiple overlapping rings It was drawn by Leonardo da Vinci after intensive research Diameter 36 mm Miyota9015 modified moon phase self-winding movement Stainless steel case Central second hand with stop device Moon phase profit and loss display Special engraved bottom Waterproof up to 30 meters Power reserve up to 42 hours The overall design of the watch is simple and elegant