This once-divisive, now-iconic dive watch gets a sunken treasure-worthy upgrade courtesy of another noteworthy Japanese brand ...

The Seiko Prospex SPB313, SPB315, and SPB317 update the brand's famed dive watch style with three new dial colors and a thinner case. The three Seiko Prospex watches feature 41mm stainless steel ...

The case features the brand’s signature Zaratsu mirror polishing along with hands and indices that are bolder and more contemporary than other Grand Seiko styles. The heat-blued seconds hand ...

This Seiko 5 Sports diver offers a retro look with the faux patina dial and the Milanese-style mesh bracelet ... but in a slightly smaller case. The smaller case 38mm version of the Seiko 5 Sports ...

The stainless steel case and bracelet both feature a black ... 4R36 automatic that powers the rest of the Seiko 5 Sports ...