From the Essentials CollectionChronograph measures up to 60 minutes of elapsed time in 1/5-second incrementsBlack tachymeter ringDimensional embossed black dial with applied metallic elements and gray accents24-hour subdialDate calendarLumiBrite hands and markersCase diameter: 41.0mmStainless steel case and braceletWater-resistant to 10 bar, 100 meters (330 feet)Caliber 8T63