Specification : Brand: Seiko Model No.: SNZG85K Series: Seiko 5 Sport Gender: Unisex Case diameter: 45 mm Case thickness: 12 mm Water resistant: 100 Meters/10 ATM/10 BAR Case material: Stainless Steel Case back: See-through back Glass material: Hardlex crystal Strap material: Stainless Steel Clasp: Fold over with double push button Calendar: No Calendar Luminious / LumiBrite: Yes Movement: Japan Automatic, 23 Jewels Luminious: Hands and Index Features: Day Date Display