Seiko prospex automatic men's watch SPB157J1. Automatic movement with manual winding capacity. Stainless steel case with a blue leather strap, blue dial. Case thickness: 12.9 mm, case diameter: 38 mm, case length: 46 mm. Water Resistance upto 200m. Curved sapphire crystal. Anti-reflective coating on inner surface. Three-fold clasp with push button release. Lumibrite on hands and indexes. Screw case back. Screw-down crown. Other Features: 24 jewels, date display, stop second hand function.