Model Ref Number: 5960P-001 A totally new Patek Philippe chronograph: the long awaited first ever Patek Philippe self winding Annual Calendar Chronograph introduced only in platinum. A very complex and ingenious movement comprising 456 parts to offer a reliable and easy to use chronograph. The design style of the new Patek Philippe chronograph is in the continuity of Patek Philippe's signature style. The innovative mono-counter dial has been designed to offer very good readability and a technical touch to the style. Chronograph with 60-minute and 12-hour monocounter at 6 o'clock Day, date, and month in apertures Power reserve and day/night display Anthracite dial, gold applied hour markers Strap: alligator with large rectangular scales, hand-stitched, matt dark brown Fold-over clasp Sapphire crystal case back Water resistant to 30 m