Seiko Matrix Chronograph Black Dial Stainless Steel Mens Watch SNDW83 by Seiko Watches SNDW83 Ion Plated Stainless steel case, Ion Plated Stainless steel bracelet, Black Chronograph dial, Japanese Quartz movement, Scratch resistant Hardlex, Water resistant up to 10 ATM - 100 meters - 330 feet Case Shape - Round 10 ATM - 100 meters - 330 feet Chronograph