SBDX035 Seiko 55th Anniversary Prospex Limited Edition 1975 Trilogy (1,100 pcs) Made in Japan Blue Dial 1000m Water Resistance Saturated Diving Stainless Steel Case Silicone Strap Sapphire Glass Date Display Magnetic Resistance Unidirectional Rotating Bezel Mechanical Self-Winding Movement (with Manual Winding) Caliber 8L35 26 Jewels Lumibrite on Hands and Indexes Second Hand Stop Function Screw Lock Type Crown Accuracy: Day Difference +15 Seconds to -10 Seconds Drive Period: Lasts About 50 Hours at Maximum Hoisting Case Size Diameter: 52.4mm Case Size Thickness: 17.2mm Case Size Length: 53.5mm International Warranty