Description
Seiko Prospex Alpinist
SPB121
Case:Â Stainless steel, see-through caseback
           Diameter: 39.5 mm
           Thickness: 13.2 mm
Crystal:Â Sapphire with date magnifier, anti-reflective coating on inner surface
Dial:Â Green, luminous hands and indexs
Strap:Â Brown calfskin strap with three fold clasp and push button release
Movement:Â Automatic 6R35
Accuracy:Â +25 to -15 seconds per day
Power reserve:Â Approx. 70 hours
Water-resistant:Â Approximately up to 200 meters, 660 feet
Features:Â Rotating inner compass ring, screw-down crown
