Seiko Prospex Automatic Diver 1965 Black 40mm Watch SPB453J1

Automatic mechanical watch with Caliber 6R55 movement, a frequency of 21,600 vibrations per hour and 24 jewels. Power reserve of about 72 hours. Accuracy of about +25/-15 seconds per day. Black radiused dial, indexes and hands treated with lumibrite for viewing in the dark. Date window between 4 and 5 o’clock. Steel rotating bezel. Stainless steel case, diameter 40 mm, thickness 13.02 mm. Non-transparent screw-down case back and screw-down crown with Seiko logo. Width of lugs 20 mm. Waterproof to 30 bar/300 meters. Stainless steel bracelet with scratch-resistant coating, adjustable. Folding clasp with release button, very comfortable to wear. Accompanied by packaging and official Seiko 2-year warranty.