Seiko Prospex 1968 Divers Save the Ocean Limited Edition 600 pieces Watch Black Dial Automatic with Manual Winding Ever-Brilliant Steel Case Silicone Strap Date Indicator 26 Jewels Caliber: 8L35 Stop seconds hand function Dual-curved Sapphire Crystal Anti-reflective coating on inner surface Luminous Hands Markers Water Resistant 200m / 660ft divers An additional polyester strap is included LIMITED EDITION on the case back Screw case back Screw-down crown Serial number engraved on the case back Unidirectional rotating bezel Case Size Thickness: 13.1 mm Case Size Diameter: 42.6 mm Case Size Length: 49.3 mm