Seiko’s Premier Diver-GMT Gets an Update with the Prospex SPB519 1968 Heritage Diver’s GMT
A new diver release from Seiko isn’t exactly going to set the world on fire, but it will surely please the legions of fans of the brand and its Prospex line. With a crisp white and blue colorway and nifty bracelet that can be microadjusted as wrist size changes throughout the day, the 1968 Heritage Diver’s GMT looks to be a worthy-if subdued-addition to the ever-growing catalog of Seiko dive watches. Pulling from a long tradition of purpose-built Seiko dive watches, the new SPB519 reference features a stainless steel case measuring in at 42mm in diameter, 48.6mm lug-to-lug, and 13.3mm thick, giving it a heftier frame than 2023’s closely-related Heritage Diver’s GMT (SPB381). A unidirectional bezel, and screw-down caseback and crown at 4 o’clock further push the watch into “serious” diver waters, supported by the 300-meter water resistance rating. Stylistically, the SPB519 takes on a sort of jaunty sailor persona, with a navy blue ceramic bezel and a silvery white dial. The applied indexes and hands are coated in LumiBrite, as are numerals on the bezel, and an anti-reflective coating protects the inner surface of the sapphire crystal. Inside, the Caliber 6R54 automatic hand-winding GMT movement adds some spice to the otherwise by-the-numbers functionality of the watch, and boasts a 72-hour power reserve and “caller-style” independent 24-hour hand. The most interesting feature of the 1968 Heritage Diver’s GMT, however, lies with the bracelet, which ...
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