Stainless steel case and bracelet. Grey dial. Date displays at 3 o'clock position. Tachymeter on bezel. Chronograph can measure up to 12 hours in 1/20th second increments. Chronograph measures split and accumulated elapsed time. Hardlex mineral crystal. Lumibrite on hands and hour markers. Push button release clasp. Screw-down caseback. Water resistant at 100 meters (330 feet). Alternate Model Numbers: SND673, SND673P1, SND673P-1. Seiko Chronograph Steel Grey Mens Watch SND673 