Stainless steel case and bracelet. Black dial. Bidirectional rotating slide rule bezel. Date displays at 3 o'clock position. Alarm. LumiBrite hands and hour markers. Chronograph can measure up to 60 minutes in 1/5th seconds. Fuel consumption calculations. Flight climb calculations. Screw-down crown and caseback. Hardlex crystal. Case diameter 42mm. Case thickness 13mm. Quartz movement. Water resistant at 200 meters (660 feet). Alternate Model Numbers: SNA411, SNA411P1, SNA411P-1. Seiko Flight Chronograph Steel Black Mens Watch SNA411 