10/25mm Seiko Stainless Steel Watch Band, Bracelet, Release Button Item No. SEI-SS1025-246 Size (mm) 10/25 Material Heavy Stainless Steel Color Silver Thickness (mm) 4.6 Number - Length (mm) 17.5 Ending Style (Spring Bar Not included) 10mm Convex Lug, 25mm Band width Buckle Include Stainless Steel Release button clasp