From the Essentials Collection Chronograph measures up to 60 minutes of elapsed time in 1/5-second increments Gray tachymeter ring Dimensional embossed gray dial with applied metallic elements and orange accents 24-hour subdial Date calendar LumiBrite hands and markers Case diameter: 41.0mm Stainless steel case Racing stripe black, gray and orange nylon strap Water-resistant to 10 bar, 100 meters (330 feet) Caliber 8T63