SEIKO SRPJ47

 Caliber 4R36 Automatic Movement: Automatic with manual winding, \~41 hr reserve, 24 jewels, stop-second & day/date display
 Stainless-Steel Case: 42.5 mm × 13.4 mm (46 mm lug-to-lug), 22 mm lug width
 Hardlex Crystal & LumiBrite: Luminous hands, indices & bezel
 10 bar Water Resistance & 4,800 A/m Magnetic Resistance
 Unidirectional Rotating Bezel & See-Through Screw-Down Case Back
 Secure Three-Fold Push-Button Clasp; Weight: 165 g