Seiko Prospex Divers Mens Watch SPB301J1Seiko Prospex Divers Mens Watch SPB301J1 Japanese Caliber 6R35 automatic movement with a 70 hours power reserve. Lumibrite hands and index hour markers. Silver white dial with a date window at the 3 o'clock position. Unidirectional rotating bezel set on a 43 mm stainless steel case. Sapphire crystal on top and a solid case back. Water resistant to 200M. Stainless steel bracelet with a triple fodling deployment clasp. CASE DIMENSIONS Thickness: 13. 0mm