Seiko Sapphire SGG717 SGG717P1 SGG717P Men's Watch Luminox Masc Features: Stainless Steel Case Polyurethane 96A208 Features: Stainless Steel Case Polyurethane Strap Quartz Movement Caliber: VD54 Sapphire Crystal Black Dial Analog Display Luminous Hands And Markers Day And Date Display 12 24 Hours Display Pull Push Crown Solid Case Back Buckle Clasp 100M Water Resistance Approximate Case Diameter: 50mm Approximate Case Thickness: 13mm Features: Stainless Steel Case Leather Strap Automatic Mechanical Movement Caliber 2836 2 Sapphire Crystal Silver Dial Day And Date Display Fold Over Clasp See Through Case Back 30M Water Resistance Approximate Case Diameter: 40mm Approximate Case Thickness: 11 Features: Stainless Steel Case Stainless Steel Bracelet Quartz Movement 5 years battery Caliber 7N43 Blue dial Sapphire Crystal Luminous Hands and Markers Fold over clasp with push button release Day and date display at 3 o'clock position 100M Water Resistant Approximate Case Diameter: 37mm Approximate Case Thickness: 9mm