Description
Seiko ProspexÂ
SLA021
Case: Stainless steel with super hard coating
          Diameter: 44.3 mm
          Thickness: 15.4 mm
Dial: Black
Crystal:Â Sapphire with anti-reflective coating on inner surface
Lumibrite:Â Luminous hands and indexs
Strap: Stainless steel
Movement: Manual and automatic winding capabilities, Caliber 8L35
Accuracy:Â +15 to -10 seconds per day
Power reserve: Approximately 50 hours
Water resistance: Up to 300m/1,000 ft (meets ISO standards)
Other specifications and features: One-piece structure, screw-down crown, three-fold clasp with secure lock, unidirectional rotating bezel, 26 jewels, date display, stop seconds hand function