Patek Philippe Calatrava Date, Sweep Seconds 5226G-001 self-winding mechanical watch features a 40mm 18k white gold case surrounding a textured charcoal gray dial on a black calfskin leather strap embossed with fabric pattern with an 18k white gold tang buckle. Functions include hours, minutes, seconds, and date. This watch is powered by the Manufacture Movement Caliber 26‑330 S C. This watch is water-resistant to 30m. This watch comes with an additional beige calfskin leather strap.