Patek Philippe Complications Calatrava Weekly Calendar 5212A-001 self-winding mechanical watch features a 40mm stainless steel case surrounding a silvery opaline dial on a brown leather strap with a stainless steel tang buckle. Functions include hours, minutes, seconds, day, date, week, and month. This watch is powered by the Manufacture Movement Caliber 26‑330 S C J SE. This watch is water-resistant to 30m.