CASE Case Material: Stainless Steel Glass Type: Sapphire with several layers of anti-reflective coating Case Dimension: 41.00mm Water Resistance: 300 meters FUNCTIONS Function: Hours, minutes, small seconds at 9 o'clock and date. Chronograph mechanism: central 60 seconds hand, 30 minutes counter at 3 o'clock, 12 hours counter at 6 o'clock. BRACELET Bracelet Material: Stainless Steel