Seiko Prospex Diver's 300M Auto. (Blue Dial)

The SEIKO PROSPEX DIVER'S 300M Automatic features the robust 6R55 automatic movement with manual winding and a 72-hour power reserve, offering reliable precision within +25 to -15 seconds per day. Housed in a durable 40mm stainless steel case with a curved sapphire crystal and anti-reflective coating, it ensures exceptional legibility enhanced by LumiBrite on the hands, indexes, and bezel. Designed for professional diving, it is water resistant up to 300 meters and equipped with a unidirectional rotating bezel, screw-down crown, and secure three-fold clasp with extender. This timepiece also offers magnetic resistance to 4,800 A/m and a screw case back for added durability.