SEIKO PROSPEX SUMO BLACK AUTOMATIC 200 METERS DIVERS STAINLESS STEEL BLACK DIAL BRACELET WATCH Automatic with manual winding capacity, Lumibrite on hands, indexs and bezel, Screw case back Screw-down crown, Unidirectional rotating bezel Automatic with manual winding capacityDurationApprox. 41 hours MOVEMENT TYPE: Mechanical MOVEMENT CALIBRE: 6R35 -15/+25 seconds per day BAND TYPE: Stainless Steel Bracelet CLASP TYPE: Z-Clasp DIAL COLOUR: Black WATER RESISTANCE (Metres): 200 CASE WIDTH: 45mm CASE DEPTH: 13.1 GLASS TYPE: Sapphire Crystal DATE FUNCTION: Date Only STONE TYPE: