Presage Style '60s CollectionInspired by the styles of the 1960s, including the 1964 "Crown Chronograph," Japan's first watch with a stopwatch functionFine mechanical watchmaking from JapanAutomatic with manual winding capability21,600 vibrations per hourPower reserve: approximately 41 hours24 jewelsLight beige open-aperture dial24-hour subdialLumiBrite hands and markersBox-shaped crystalBlack bezelScrewdown see-through casebackCase diameter: 40.8mmStainless steel case and braceletTri-fold push button release claspWater-resistant to 5 bar, 50 meters (165 feet)Caliber 4R39