Stainless steel case and bracelet. Black textured dial. Coin-edge bezel. Push-button hidden folding deployment clasp. Cabochon crown. Scratch resistant sapphire crystal. 24-hour display. Retrograde weekday display with flyback hand. 31-day calendar display subdial. Case diameter 39mm. Case thickness 9mm. Quartz movement. Water resistant at 50 meters (165 feet). Alternate Model Numbers: SNT001, SNT001P1, SNT001P-1. Seiko Le Grand Sport Retrograde Day/Date Steel Black Mens Watch SNT001 