Men's EssentialsQuartz ChronographChronograph measures up to 60 minutes of elapsed time in 1/5-second incrementsTachymeter bezel with Blue ion-finishBlue multi-layered dial with orange accents24-hour subdialDate calendarLumiBrite hands and 12 o'clock markerScrewdown casebackCase diameter: 43.9mmStainless steel case and braceletWater-resistant to 10 bar, 100 meters (330 feet)Caliber 8T63