Patek Philippe Nautilus Annual Calendar Moonphase Steel Black Dial Strap Watch 5726A-001. Stainless steel 40.5mm case and bezel all on a black leather strap. This watch has a black/grey gradient dial with horizontal emboss, white gold hands and hour markers. Annual Calendar. Day, date and month in apertures. Moon phases. 24-hour indication. Sweep seconds. Sapphire crystal glass & water resistant up to 30m. Self-winding mechanical movement. Caliber 26‑330 S QA LU 24H/441.

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