Patek Philippe Nautilus Annual Calendar Moon Phases 5726 40.5MM Blue Dial With Stainless Steel Bracelet Condition – Pre-Owned Model – Patek Philippe Nautilus Annual Calendar Moon PhasesReference Number – 5726/1A-014Movement –Self-WindingBezel – Stainless SteelDial –Blue DialCase Size –40.5mmCrystal – Scratch-resistant Sapphire Crystal Bracelet – Stainless Steel BraceletWater Resistant –12 ATM