Seiko 5 Sports SRPK97 SKX Series Blue Dial Automatic Luminox Caliber: E101

Caliber: E101

Special Movement Oil to Endure: -45°C to 80°C / -49°F to 176°F

back in 1995

screwed case back with extra large sapphire crystal opening

Seiko 5 Sports SRPK97 SKX Series Blue Dial Automatic Luminox Caliber: E101Caliber: 4R36 Movement: Automatic with manual winding Power Reserve: Approx. 41 hours Jewels: 24 Case Material: Stainless Steel Case Thickness: 14. 2mm Case Diameter: 42. 5mm Lug to Lug: 46. 0mm Crystal: Curved Hardlex LumiBrite: Lumibrite on hands and index(es) Distance Between Lugs: 22mm Water Resistance: 10 bar Magnetic Resistance: 4,800 A m Weight: 168. 0g Bezel: Unidirectional rotating bezel Clasp: Three fold clasp with secure lock Case Back: See