INFORMATION Brand: Seiko Series: Prospex Model: SPB321J1 Gender: Men Movement: Automatic Engine: Seiko 24 Jewels Automatic winding Cal. 6R35 Power Reserve: Up to 70 hours FEATURES Water Resistance: 200 Meters / 660 feet Calendar: Date display at 3 o'clock position Functions: Date, Hour, Minute, Second Accuracy: +25 to -15 seconds per day Magnetic Resistance: 4,800 A/m 21,600 Vibrations per hour Unidirectional rotating bezel CASE Case Size: 45 mm Case Thickness: 13.4 mm Case Material: Stainless Steel (super hard coating) Crown Position: 04:00 Case Shape: Round DIAL Dial Type: Analog Dial Color: Matte Black with globe pattern printed in positive relief Glass: Sapphire Crystal Crystal Coating: Anti-reflective coating on inner surface LumiBrite: Lumibrite on hands, indexes and bezel Dial Markers: Dot and Baton indexes Second Markers: Minute Markers around the outer rim BAND Band Type: Buckle Band Material: Stainless steel Band Color: Silver Clasp: Three-fold clasp with secure lock , push button release with extender