Seiko prospex automatic men's watch SPB101J1. Stainless steel case with a stainless steel bracelet, black dial. Automatic movement with manual winding capacity. Sapphire crystal. Case thickness: 12.9 mm, case diameter: 45 mm, case length: 52.6 mm. Water Resistance upto 200m / 660ft diver's. Three-fold clasp with secure lock , push button release with extender. Lumibrite on hands, indexes and bezel. Screw case back. Screw-down crown. Unidirectional rotating bezel. Other features: date display, 24 jewels, stop second hand function.