Seiko Prospex 1968 Heritage Diver's GMT Watch Ref. SPB383J1

Seiko Prospex 1968 Heritage Diver's GMT Watch

Seiko watch with automatic caliber 6R54 with manual winding capability, accuracy of +25 to -15 seconds per day, power reserve of approximately 72 hours, and 24 jewels, equipped with a 24-hour hand for dual time zones and a stop-second function; stainless steel case with steel bezel and ceramic display, thickness of 12.9 mm, diameter of 42.0 mm and lug-to-lug of 48.6 mm, sapphire crystal with internal anti-reflective coating, LumiBrite on hands, hour markers, and bezel, triple folding clasp with safety lock and extender, lug-to-lug distance of 20 mm, water resistant to 200 m, magnetic resistance of 4,800 A/m, weight of 176 g, unidirectional rotating bezel, screw-down crown and case back.