SPECIFICATIONS Brand: Seiko Model No.: SBDL035J Series: Prospex Gender: Unisex Adult Case diameter: 47 mm Case thickness: 14 mm Water resistant: Divers Watch 200 Meters/20 ATM/20 BARi Case material: Black Ion Plated Steel Case back: Screw case back Glass material: Hardlex crystal Strap material: Stainless Steel Clasp: Fold over with double push buttoni Calendar: Date Luminious / LumiBrite: Yes Movement: Solar Movement Cal.V175 Accuracy: ± 15 seconds average monthly difference Dial color: Black Features: Limited Edition only 3,000 pcs in the world (Inserted back number serial number) Power reserver approx. 6 months Overcharge prevention function Date Display Chronograph Function Rotating Bezel