Seiko 5 Sports Automatic is a robust everyday watch featuring a 40 mm stainless steel case and reliable automatic movement. It’s designed for daily wear with 10 ATM water resistance and a classic black dial. Key attributes: Black | Steel | Stainless steel | Automatic movement | Water resistant to 10 ATM | Mineral glass | Day and date display | Three-fold clasp with push button release | Exhibition (see-through) case back | Black dial | Gold-tone hands and indices | See-through case back | Dimensions & fit: Case diameter: 40 mm | Case thickness: 11.5 mm | Lug to lug: 44.6 mm | Composition & care: Stainless steel | Mineral glass | Wipe with a soft cloth. Avoid contact with strong chemicals. Have serviced by an authorized technician as recommended.