Seiko combine cutting-edge innovation with 130 years of watch making experience and are dedicated to striving for perfection in their timepieces. Seiko 5 Sport Mens watch with 42.5mm black steel case, green dial with lumibrite on hands and indexes,and green nato canvas strap. Ref: SRPD79K1 Product Information Brand: Seiko MOVEMENT TYPE: Automatic with manual winding capacity, Accuracy -+45 to -35 seconds per day, 41 hour reserve MOVEMENT CALIBRE: 4R36 BAND TYPE: Silicone CLASP TYPE: Buckle DIAL COLOUR: Black WATER RESISTANCE (Metres): 100 CASE WIDTH: 42.5mm CASE DEPTH: 13.4mm GLASS TYPE: Hardlex DATE FUNCTION: Day and Date