The quiet cool of an all black timepiece instantly adds style and swagger to any wardrobe. In stainless steel with black ion plating with additional features that include a 1 second chronograph that measures up to 60 minutes, 12/24 hour time, date feature and water resistance to 100 meters. Featuring Eco-Drive technology ™™ powered by light, any light. Never needs a battery. Caliber number H504.