Model: Prospex 'Alpinist' Reference: SPB117 Functions: Hours, minutes, seconds, date, inner compass bezel Material: Stainless steel Dimensions: 39.5mm diameter; 13.2mm thickness Front Crystal: Sapphire Caseback: Mineral crystal Dial: Cream Lume: Yes, Lumi-Brite Caliber: Automatic 6R35 Power Reserve: 70 hours Water Resistance: 200 meters Bracelet/Strap: Black leather Lug Width: 20mm Manufactured: Japan